ent oN TAP HoA LoP 10-LAN IV (03/2011) Bdri l. Thuc hiQn c6c chLr6i phAn f'ng sag (ghi 16 rtidu ki6n pharr flng n6u co): a) S - SOz SOr + NaHSOa -' KzSO+ + BaSOa bi FeSr + SOr + HBr , NaBr Br2 + 12 c) S -' FeS * HzS -' CrrS SOz - SOr - HzSOa - SOz cl) Zrt , ZnS * HzS -' S - SO2 - BaSOr "j FeS2 * so2 s * HzS - HzSoa + HCI i fl H,S -' CuS - So2 - H2So4 Fez(So4)l - FeSoq ' Fe(oH)l - Fe(oH)l _- Fezo: g) HzSO+ S * H2S * SO2 NaHSOT- ' BaSOr h) Cu ' CuSOq -+ CuClz CuS - CuO ' CLt i) f's + FeSOa -' Fe2(SO4)r + S - FeS -' FeuOr Bni 2. Vi6t c6c phu'ong trinh phdn iLng xdy ra n6tr co khi a. Cho oxi tilc dung v6'i c6c chAt sau: I-{2S;S;C;Clz;Fe; Cu;Ag; SOz;CH+;CO;CO2: Fe2Or; FeO' NO' Kl b. cho dung dich Hu So+ d[c n6ng t6c dpng v6'i: FeS, FeSO4, Fejoa, FeO, Fe2Or, Fe(OH)2. Fe(OH)r, Cu, Fe' Zn, C. P, S, HBr, HI, Na2S, H2S, MgBr2, NaCl khan, NaHSOr,NazSOr' I Bii 3. Nhan bir5t cac chAt khi sau: a) 02, 03, Cl2, HCt, SO2 b) H2S, CO2, SO2' Hz' Nz' Clz' 02 c) Cl2' SO2' CO2' NHr d) O2,Or,Nz,Clz,NHr. Bni 4. chi ding H2o vd rrQt ho6 chat kh6c nharr bi6t c6c chat sau: a; cu(Nor)2, Caso3, Na2s, BaSOa, KHSOj b) Na, CaSO3, Na2S, K2SOj, Na2SOa, BaSOa c) NaCl, Na2SOa. CaCOr, Na2CO3, BaSOa. Bni 5. Chi dirng thdm nrQt thu6c thir', nhAtr bi6t c6c dung dich sar"r: a) NaOH, Na2S, AgNO3, KI, HCl, MgCl2, Zn(NO3)2 b) BaCl2, Ba(HCO3)2, NaHCO3, Na2SOa, KI' MgC[2' HCI' Ba(OH)2 c) KI, MgCl2, CaBr2, HCl, H2SO4 dac, Ba(OH)2, AgNOj Bii 6. Nhdn bii5t c5c dung diclr saLr: a) Na2SO3, NaCl, Na2S, AgNO3 b) K2S, Na2SO3, (NH4)2SO4, MgC12, CLr(NOr)z c) CuCl2, H2SOa, Ba(NO3)2, (NH+)zS, Naf$O4 ct) NazS, Na2SO3, Na2SOa, !"laCI, CuSOa e) NaOH, HCl, HzSO+, MgSOa, BaCl2 fiI2,Prr2, KI' Na2S' NaCl Biri 7. Tinh ch6 c6c ch6t sau: a) CaSO: l6n CaCOr, NazCOr c) BaSOq l6n BaClz, BaCOr, BaSOr, NaNO: e) AlCh l6n FeClr vd CuCl2 Biri 8. T6ch c6c chAt sau ra klroi uhar-r: a) S, MgSOa,12,Fe,Ztt c) C6c khi: Oz, HCl, SO, e) ZnSOa, CuSOa, ZnO, CLrO b) H2SOa 16rr HCl, H2S, HBr d) HCI c6 ldn H:SOq fl Fe I5n Al, Al2Or, Zn, Na2S b) S, CuSO4, ZnCl, d) BaSOa. CaSOr, Na:COr, NaCl f) Zn, Mg, NauSO+. S g) Fe, Cu, FeSOa Bni 9. a) Tu FeS2, NaCl, H2O, kh6ng khi, ch6t x[rc t6c co dir, diALr ch6 c6c chdt sau: FeCl,, FeClr, Feu(SOq)], NazSO+' nr,t6c Javel, Na2SOr, Fe(OH)u, Fe(OH)j. b) TiL NaCl, HrSO; Fe, CLr, HzS,'HzO di€u ch6 : NaOl{. FeClr, Fe:(So.r)r. FeSOr. CLTCII' CUSOa' Bni 10. o6t nag ch6y 16i dua v?ro binh durrg So2. Phan ['ng sirilr ra ch6t bOt A mdu tring vd ch6t b6t B ntdLr 'dng' A tac dr-rng voi clLrng dich Hu soq lodng sirrh ra chat c vd nLL6'c. e tnong t6c dUng v6i dUrrg dich H:Sor lorng nhLLng t6c dung v6'i "H:SO4 dai sinh ra ch6t khi lanr rndt rnau rruoc blonr' - l:- vior-ra. pTHH vd cho bi6t vai trd c6c ch6t tharn gia phdn inrg oxi lroa khir. 2. Cho bitit t€n c6c ch6t A' B, C' Bni ll. Giaithich hi6n tLrong (n€u co) vi virit phu'crng trinh phi.n.[18 *ay ra clro c6c trtLdrg hgp sau: *- a) Gi6y qLri tArn Lrot bing clLrng dich KI ngir sang mdu xatrh khi gdp ozotr' bi Kh6ng clirng H,SOa dac dO lirn khd hidro sunfua' c) Tai sao trong thi€' nhi€rr c6 nhiAu ng*6n t?o HrS nhung kh6ng c6 lriQn tuo-ng tich tu khi do trong kh6ng khi' d) Ilri pha lo6ng dr-r'g dich HzSoq dflc ph6i "ho ti,'til tiln[giot axit vdo nu'6'c md kh6ng ldm rrgtro. c l4i' e) l.tLu huynh c6 lAn tlong gang o dang 'n,'6i s6t sunfua, c6 the uhdu ra luu hulirnlr d6 rilru thd niio bang gi6y tArr dLrng clich muoi chi? 0 De khn dgc klri nhi6t l<6 thuy rrg6u bi v6 ngLlo'i ta thuo'ng dirng b6t lr"Lr,r hr,rynh dO ric l€n rrhfr'ng noi c6 tlruy ngAn. g) O6t cnay hoiin todn qudng sit pirit r6i d6n sAn phAm khi qua birrh dung dung dich nu'6c brom. DLrng dich thu cluo-c cho t6c dung vo'i BaC12 du. h) Nho til tLl d6rr du dung d jch lridro peoxit vdo dung dich chri'a KMnOa vd H2SOa. k) Dung cu bing bac bi den lai trong khdng khi cb chira hidrosunfi:a. Bni 12. Cho chAt A t6c dsng v6'i ch6t B duoc khi C (zrzl trmg thdi); O6t cnay khi C c6 rndt oxi du thi thu du'o.c khi D kh6ng rndu, c6 miri hic. Cho khi D t6c dung v6.i khi C thu du'oc ch6t rin E(mdu vdng). Nung chAt E voi b6t Fe du'oc chAt G. Cho chAt C tiic dr,rng v6'i dung dich HCI lai du'o.c khiC. XAc dinh A, B, C, D, E, G vA vi6t ptpu xiy ra. Bni 13. M6 ta hiqn tuo. ng vd vi6t PTPU khi suc khi SO2 til til d6n du' vdo c6c dung dich saLr: Br2; KMnOa/H:SOql Bii 14. M6 ti hi€n tuo-ng vd vi6t PTPU khi sLrc khi H2S til til d6n dr-L vdo c6c dr-rng dich sau: FeClr; KMnOq /HzSOa; CuSOa, Clz/HzO HzSO+ d5c. Bni 15. a) Til'S, Fe, HCI n€u 2 phuong phdp didu ctrti HrS. b) C6 4 clLrng dich lolng chiLa.a. rrr*iNoCf,-[NO,, Pb(NOr)2, CuSOq. Cho bitit c6 hien trro-ng gi xay ra va gi6i thich khi cho: - dung dich Na2S vdo rn6i dung dlch trdn. - khf H2S vdo rn5i durrg d jch mu6i tren. Bni 16. Cho luo-ng du nh6rn t6c dr,rng v6'i dung dich HzSOq dic n6ng. D6u ti€n th6y gini. ph6ng ra khi kh6ng mdu A rnui x6c, khi A ldm mAt mdu dung dich nLr6'c brorn. Ti6p theo tao thdnh k6t tira mdu vdng. R6i tho6t ra khi kh6ng nrdu B mii trflng th6i, khi B cfrng ldrn rn6t rndu dung dich nu'6'c brom, t4o kdt tira khi ddn vdo durrg dich Cu(NOr)2. Vi6t c6c phuo-ng trirrh phAu irng xAy ra. Bni 17. Hodtan Fe.,O+ bing dLrrrg dich H2SO4 lodng du thu dLro-c dLrrrg dich A. Chia A ldrn 3 phdn bdng nhaLr. Ph6n l, cho t6c dung v6'i nu6'c brom. PhAn 2, cho tric dprrg v6'i dr-rng diclr Ba(OH)2 du, c6 mAt khdng khi. PhAn 3, cho tdc dung voi dung dich kali pemanganat. Vi€t c6c pliu'ong trinh phdn img xAy ra. Bni 18. So sdnh thd tich khi oxi thr-r duo-c (trong cirng di€u kien nhiQt dQ vd 6p su6t) khi nhi6t phan hodrr todn m5i mu6i sau: KMnOa, KCIOr/xt MnOz; KNOr trong c6c tnro'ng ho. p sau: a) C6c chAt du'o-c l6y cirng kh6i luo-ng. b) Cdc chAt duo-c l6y cirng s6 rnol. Bni 19. Cho rtatri sutrfua tdc dr.urg voi axit Fl,SOr lodrrg dLLo-c khi A co rniri trilng th6i. Clho A tric dung net vO'l clung diclr CLISO+ clrro-c ch6t r[n B rndu den. Hoa tan B bing dLrrrg clich H2SO4 clac n6ng dLro. c khi C. Cho t<trii nAp thu vdo dr.rng dich NaOH duo-c dLrng dich D, D t6cdpng v6i dr-rrrg dlch BaC12 du'o-c k6t tua E, thdrn ti6p Ba(OH)2 vdodung dich sau cing laithu thdm ktit tua E. Hoa tan k6t tfia E, trong dLrng dich axit HCI lai thr-r du'o-c khf C. ViCt cac ptpU xiyia. Bni 20. Hod tarr m gam h6n hop g6m Al, Fe vdo dung dich H2SO4 lodng clu. Sau khi c6c phAn ri'ng x6y ra hodn todrr, thLr duo-c dung dich X. Cho dung dlch Ba(OH)2 du vdo dung dich X, thu cluo. c k6t tira Y. Nung Y trong klr6ng khf d6n kh6i luorrg kh6ng d6i, thLr dLLo*c chAt rhn Z. Z c6 thdnh phin'g6n nhring ch6t giZ Tai sao? Hay vi"t5t cac pTpU *iy ,u. tsni 21. Cho dr-rng dich X chira KMnOa vd H2SOa lodng lAn luot vdo c6c.durrg dich: FeC12, FeSOq, CuSOa, MgSOa, Fl,S, HCI dac. C6 bao nlri6u tru'dng hop c6 xdy ra phan inrg oxi ho6-khir? Vi6t c5c PTPU x6y ra. Bdi 22. Vi€t phuo'ng trinh plrin [r'ng chir.ng minh: a) H'S vira c6 tinh axit y6Lr vira c6 tinh khil marrh. b) SO2 vira co tinh oxi lr6a vila c6 tinh ktru'. c) H2SOl ddc vila c6 tfnh axit rlanh vla c6 tfnh oxi h6a manh. Bii 23. a) Til nhfrrrg chdt sau: Cu, C, S, P,.Nau SOr, FeS:, FeO, HBr, 02, H2SO4loing, l{2SOa ddc. H6y vlet t6t c6 'Irfr.'gPTPU clio san phArn ld lLru hulinh dioxit (bang I phAn iLng). Ghi c6c dieir ki€n phan 6irg. neu "o. ( , .^ b),CAn di6Lr ch6 rn6t luo-ng nrL,6i Crsor. Cho Ci vd CLro tdc dLrng v6'i dung dich axit sunfuric, trurolrg ho-p ndo ti6t ki€m cluo'c axit? Bii24. Khi nhi6tphAn4ggarn.m6tctr6txthudu'o-c 13,44lftkhf oxi (dktc)vdbrranchLla s2.35%kali vd 41.650/oclo. Xdc dinh cong thu'c cria ho-p ch6t X. BAi 25. Klti ntrng hodtt todn 44,1 garn l(Clo3 thi m6t phAn phdn hiry gi6i ph<ing 6,l2litkhioxi(dktc), phdn con lai phdn hLry thdnh I(Cl vd KCl04. X6c dinh kh6i luo-ng vd thdnh phAn cira bd rln con lai. Biti.26. oot chay hodn todrr 7,(t gan h6n hop Cu vd Mg trong oxi o' nhi€t d6 cao, thu dLro-c h6n ho-p 2 oxit trong do Mgo chi€rn 20olo khoi lrrorrp,. l'lda.tarihdn hgp oxit nay barig ctu",r"g aicn HCI 0.jM. Xric dlgh rrrji r,,.#e *ai'o'n.'i*i tro.g ;c lron hop ban ddu va tf rrlr thd tich dung dich HCI cin dtng d6 hoa tan h6t c6c oxit 6.tr€ri. Bii 27' -l-h€m 0,2 ganr Mno2 vdo 19,7 garn h6n no.pl g6m 2 rnudi KCI vd KClor. Nhi6r phan hod' todrr h6n h<rp rr€', thu duo-c chAt rin cArr 'd.g I 5,1 ga'r. XZc dinh % kl6i li.o-ng KCIO, c6 trong lr6;hep ;. Bni 2g. a. Cho 20 lit khi oxi di qr-ra rn6y t4o ozou tlri cogok th€ tich oxi chuy6rr thdnlr ozon. Hoi the tich khi bi giAm cli bao nhi€Lr lft? b. Cho 5 lit h6p ho-p khi oxi vd ozon, sau rrQt thcri gian ozon bj Rhan hiry hodn toAn thhnh oxi tlri th€ tich khi tdng l6n 30% so voi th6 tich ban dAu. Th6 tich cira oxi vir ozon tror.rg h6n ho-p tl6u ld bao nhi6Lr? C6c th€ tich l<hi do o' ct,rrg Cli,u ki€n nhi0t dQ, 6P sLr6t. eei1q. H5n ho-p khi A g6in 02 vd o.' c6 ti kh6i so voi hidro bang 20. oe aot clr6y hodn todn V lit khi rnetarr cAn 2,8 lit h6n ho-p A. Tinh V. eiCt c6c khi il6u do o dktc. Bni 30. Ti kh6i cira rnQt h6n ho-p g6rn 02 vd Ol d6i v6'i He bing 10,24. Ni5Lr cho h5n ho-p ili til ti' qua dung dich KI du)thi thu duoc 50 lit khf . , l. X6c dinh thti tich cira 02 vd Oj trong h6n ho-p- 2. CAnr6C,r-tvdoh6ntro-ptiCnbaonhiSLrlitqdethudu'o'cm6th6nho-prn6'ic6tikh6i hoisov6'iHeldl0,667. Bdi 31. Cho S phAl f'rrg vira ilfr vd'i 16,8 gam kiin loai A cho ho-p ch6t trorrg c16 A co hod tri II. Dern sAn phArn thtr du'o-c cho plrAn rlrng voi dung dich HzSoa dLr thi thu dttctc 6,l2lit khi (dktc). l. X6c dinh kirn loai A t X6c dinh th6 tich khiCl2 (dktc)cAn Ctrng c1e phan lrng h(it 16,8 ga'r A. r Bii 32. NLrng 5,6 gam Fe v6.i 4,8 garn S (trong binh kin kh6ng c6 oxi) c16n phan f'ng hodn toart. Hoa.tan,san pltdm sau khi nung Uing aung clich HCI lM lAy du 25% so v6'i luong cAn cho phdn.irng, thu du'gc ch6t rdn Z vd khi Y. f . ii6t ia" ptiuo'ng trinh phan ilng c6 th6 xay ra va x6c,dinh cdc chAt sau khi nung. 2. Tinhth6tichkh]YsinLra(dkrc), khoi lu'o-rrgchdtrin Zvittl't6tichdLrngdichHCl lMdddirng. Bni J3. Nung 6,5 gam Zn v6.i 1,6 garn S (trong binh kin kh6ng co oxi) d6n phdn [Lng hodn todtr. Hoa tan hodn todn s6n phAm saLr khi nLrng Uing I 00 gam dung dich HCI (luong vila d[r), thu dtroc dung d ich A vd khi B. l. Vi6t cdc phr,o,]g trinh phin iflrg vd tinh n6ng dq C% dung dich HCI tld dirng' 2. Tinhohth6 tich cdc khi trong B vd tinh ti kh6i lroi cfra B tl6i v6'i hidro. Bni 34. Nu'g d6n phAn iyng hodn toirn 5,6 gam Fe v6'i 1 ,6 gam S (trorrg binh kin kh6ng c6 ox i) thtt du o-c h6n hop X. Cho X phdrr irrrg hodn todn v6'i 500 ml dung dich HCl, thLr duo-c klrf A vd dung dich B. 1. TinhYo th6 tich c6c khitrong A" 2. Du.g clich B plr6n iLng du vo.i 300 ml dr-rng dich NaOH I M. l'inh nong do dLrng dich sau phAn [Lng vd n6ng d6 dung dich HCI dd dilng. Bni 35. Cho sdn phAn saq khi lgng di5n phin fing hodrr todLn 8,4 garn Fe vcii2.4 ganr S vAo 750 mli:{.tttg dich HCl. thu drLgc h5n ho-p khi bay ra vi dLrng dlch A. l. Tinh % th€ tich c6c khi trong B. 2. D6trunghdalu'o-ngaxitdutrongAcAn300mlciungdichNaOl-l lM.'finhn6ngdomoldungdichHCldddirng. Bni 36. Hoa tanh6n hop rhu du'oc sau khi nung b6t nh6rn vci'i bOt luu huynh bing dLrng cli:lHCldu',1h6Ly cd.n.lai 0.04 gu,r.,.nitrinvdc6 t,l'iqtitkhi Asinhra(dktc).DAnkhi Aquabinhdqngdr-rrrgdichPb(No;):dLlthdytaothdnhT,lT garn k,5t tia den. Tinh kh6i luo. ng cira nh6m vd luLr hulinh tru6'c khi nung. Bni 37. Nung I 1,2 gamFe,26 gan Znvo-i S l6y du'dch phnn ilng xAy ra hodn toirn. Hoa tan h6t s6n phAm sau khi nilng bing dr-rng dich HCl. 1. Tinh thd tich khi sinh ra (dktc). 2. KhisinhrachovdodLrrrgdlchCuSo4 l0%(d:l,l g/rnl).T(nhth€tichdungdichCLrsoacAndirngdi5phAnirng hi5t vOi lu'o-ng khi sinh ra o trdn. Bni 38. Cho h5n ho-p giim Fe vd FeS t6c dung voi dung dich HCI dtL, tlrr-r dtro-c2,464 lit h6n hop khi Y (dktc). Cho hon ho-p Y ndy tli qLra durrg diclr Pb(Nor)2 du thu t{Lloc 23,9 gam k6t tita mdu derr. """ r'. 'Vict p-i ,1"'u,Ti"ir h6a trgc cira c6c phin fr'1g. av :" vd tinh tho tich 'n5i khitrong h5rr ho-p Y. 2. Tinh kh6i lLro-ng cita Fe vd FeS c6 trong h6n hop barr cldLr' Bni 39. Nu'g h5n ho-p I g6rn Fe vd S sau rn6r tho'i gian.r6i d6 ngLrQi thu drro-c h6rr ho-p B. N6u cho B vdo dLrng dich HCI du, tlru dugc2,24lit khii(dktc) md dcmz=l:. rintimol tLlo-ng msichAt trorrg h5n h-op ban dau. Bni 40. ril soo t6n qLrarrg iiri, rit (FeSz) cltl,a25o/otap chAt khorrg ch6y. c6 th6 san xu6t drLo-c bao nhi€u rnr cltrrrg dich H,S04 93% (d:1,83)? Giti thi6t ti l€ hao hr,rt ld 5%. gni +r. Hoa tan hodn todl 15,4 garn h6n ho-p A g6rn lrai kinr loai magie va l<€rn troug dr-rng dich axit sunfuric lo6ng 2M tnAvrint ra6,.72litkl;i;;; ii?i.a"prruong"trinhp.hanilngh6ahocxayra.Tinl'tohklr6i lu'o-ngrn5i kimloai trorrg nOrr trop A vd tinlr th€ tich dung dich axit sunfuric 2M cAn dirng' Bdi 4Z.Hda ran hodn todn 2t,6 gan'r h5n hgp gorn Fe2Or,,Fe trorrg-dung dich l:19, lo6ng du' SaLr plrdn iLng thrr dLLoc 2,24 titkhi (dktc) ua a,,ng aicri gl Tinh kh6i iuo:ng ,r.r6i chit trong trdn nq:p vd kh6i lugng rnu6i trong dLrng dlch' Bai 43. I . Tr6n Vr lit H2so4 lM v6'i v2 lit dc1 H2SO4 2M duoc I lit dd H2so4 1,4M. Tirn Vr' vr' 2. Tr6nt'1 gamddH2SO4 Sohvo-irl-l2gamdcl I'i2SO420o/othudtLo-c500gamddH2SO4 ll%.Tirno11,rrl2' 3. Tr6n 30 garn dd H2SO4 98o/o voi 90 gam dcl H2SO4 l0% thi dd thLr duo-c c6 C% ld' bao nhi6Lr? +. Cai Muiun bao nhi€u gam SOl vdo-l00 garn dd HzSOq 10% de duo-c dd c6 rr6ng dO 20%. 5. N6; rfn i,5 lir dd H2So4 2M v6.i 2,5 tit id H2so4 2,4M. H6i dung dlch thu dugc c6 ndr.rg dQ ld bao nlri€Lr? ;. i;;,"t;A,rJ aJ Hrsoa'0,2M vo'i i tne tich dd H2So4 0,5M thi dct Hrson thu dusc co n6ng.d6 bao nhi€u? 7. Tin lu.o. ng nu6.c "Anlfreur vdo m6t lit dd H2SO4 98% (d:1,84 ginrl) d6 thu dugc dd rn6'i c6 n6ng dd l0%. Bei 44. Dung dich A c6 chir.a d6ng tho'i hai axit: HCI va H2SO4. D6 trurrg hoa 40ml dLrng d!ch A cAn dirng vila h6t 60 rnl clung clich NaoH lM, thLr dLr.o. c 3]6 gan-r h6n ho. p mu6i khan. X6c dinh rr6ng d6 rnol/l cira ti'ng axit trong dung dich A. Bdi 45. Hdn ho-p A g6rn Zp va rnor kim loai hoa tri I1 (kh6ng d6i). cho 32,2 gam h6n ho-p A t6c dung v6'i dung dich H2SO4 loing du thLr cluo-c 4,48 lit khi(dktc) vd mQt phiLn khdng tan B. Cho B t6c dqng vdi H:SO.r dac, thi thLr du'o.c 6,72 tiit6i (Attcl. X6c dinh lim toai chua bi6t vi tirrh % klr6i luo-ng c6c kirn lo4i trong h6rr ho-p' Bii 46. H5n ho. p A g6m b6t Fe vd kim loai M. Cho 2,4 garn A vdo dung dich HzSO+ lolng co du' thu. {,tn: .0:aa,8 lit khi. Mat kh6c, hoa ian liodn todn 4,8 gam A viio H:So,ld4c n6ng tlri thu dtrqc 2,24 lit khi So2 (sAn phAm khil duy rrhdt, (dktc). Xdc dinh M vdo/o khdi luo-ng rn6i ki'.t.' loai trong A' Bdi 47.o6 hoa tarr h6t 11,2 garn ho-p kim CLr-Ag cAn vila dir 19,6 ganr dLrng dich H2So4 d4c n6ng, thLr dugc khi A. DAn kh i A qua nuo,c clo du, dung-dich thu du'o-c clro tdc dung v6'i dung dich BaClz du' thi thLr dLLo. c I 8,64 gam k€t tria. Tinh o/o f.i ai l*,rg "6c kin lo4i trorig ho. p kim vA tinh n6ng dQ % dung dich Hu SO+ barr dAu' Bni4g.Hodrannrotoxitcirakirnlo4i ho6tr! II bingmQtlugrrgviLadfrdungdlchH2SO4 l0%tlrLrduo-cdr:ngdichmu6i "o ndng dd 11,79oh. X6c dinh oxit kim lo4i dd dtrng. Bni49.Hodtanhodntodn 146,25gamkimloai Bcoho6tri khdngd6i vaol58,25 gamdungdichHzSOqviladtrthu duo. c 50,4 lit H2 (dktc) vd dung dich D. l. X6c dinh kirn loai B vd tinh C% dung dich axit di ding' 2. Tir B vi6t phr,Long trirrh phirr fng dieu ctr6 rnLrdi sunfat cita B bing 3 c6ch Bni 50. Hodtal hodrr todrr 25;gam hdn ho.pI gdrn 3 kirn lo4i: Fe, Al, Cu vdodurrgdlch HzSOq d{c n6ngdu'thu duo-c clLrng djch A c6 chir.a 107,3 garr"h6n ho. p mu6i khun.trtlu gn9 25,7 garrr h5n hq-p { nlran iLng-voi dung dich HCI du'thu duoi 14,56 lit khi(dktc). Vitit c6c PTPU xdy ra vd tfnh % khOi lu'orrg cua m6i kim loai trong h6rr ho,p X. Bdi 51. Hoir tal1 4,86 gam hdn ho-p X g6rn 3 kim loai Mg. Al. Fe trong dLrng.dich H2SO4 lodng du'thu du'o.c 4,48 lit khi (dktc) vA dung.dich R'. Ctlo ctLrngdicliA t6c dprrg y:'ii."9T dLr. loJl"y,[:1 tira dern nung-tiong k}ong khi den kh6i iLyorg kh6ng A6i tt.ru duoc 3,2 garn ch6t rin. Xiic dinh % kh6i luo-ng cira rn6i kirn loai trong h6n ho-p X. Ilii 52. Hda ran T gap lrdrr lro,p gorn l.4g yd l kirn.loai ki6rn A vdo dung dich HzSO+ lodng du. sau plran irng thLr duo-c 4.4glitkhi (rlktc)vahSnho.pLnuOi B.Bierri,rg'.16l.'dirng60ml dLrrrgdich t'lrso4 lMthi kh6rrghoatanh€t3,45garn kim loai A. l. Xrlc dlph kirn loai ki€rn A vd % kh6i lrrong nrSi kirn loaitrong h6n ho-p ddu. 2. Tinh kh6i lLro. ng B. Bni 53. FIoa tan I 1 ,5 ganr h6n hop Cu, Mg, Al vdo dung dich HCI du tlru du'o. c 5,6 lit kh i (clkta). PhAn kh6ng tan clro vdo FI:SO+ d[c, nopg thu iuo. c 2,24 lftkhi (dkic). Tiri't Yo t<tJOi tu'o1g cira m5i kim lo4i trong h6n ho-p . edi S+. MOt h5; ho-p A gdm Fe vd m6t kim loai M ho6 tri 2. Hoa tan hodn todn 12,1 gam hdn.ho-p A bang dung dich HrSO., Io6ng rhi rhLr cluoc 4,48 lit khi hidro (dktc). N6Lr hoa tan hodn todn 12,1 garn hSrr ho-p A bing H2SOa dac n6ng thi rhr-r duo-c S,O tit t<triSO2(dktc). Virit crlc phr.Lo'ng trinh phin fi'ng xdy ra vd x6c dinh kim lo4i M. BAi 55. Tr6n t3 garn rnot kirn loai M (c6 h6a rri kh6ng d6i) voi S r6i dLrn nong c16 phdn irrrg xAy ra hodn todn thu duo-c ilt ';; n. Cf," i'ff,a" ilng v6i 300m1 dLrng dich H,SO+ lM (clu') thr-r duqlc h5n hq:p hhi B n[ng 5.2 ganr, c6 ti kh6i so voi heli lA 6,5 vd dung dich C. l. X6c dinh M vd n6ng d0 nrol/l cira dung dich c. Bi6t rang MSOa tan tlorrg HzO 2. Cho 250m1 dung dLh Naot-l vdo t/2!Lrng dich C thitlru dtroc m6t t<6t tira. Dem nung ki5t tira d6n kh6i luo-ng kh6ng aOi ttru duo. c ch6t rin D rr{ng 6,075 garn. Tinh n6ng d0 rnol/l cita dung dich C. Bni 56. H5n hop X g6m Fe vd FerO+ duoc chia thdnh 2 phAn bing rrhau. PhArr l:t6c dpng:1" 9ilv6'i g0.rnldung dich t{,SO4 lo6ng lM. pnan 2: t6c dr,rng vo'i dung dich HzSOq c1flc n6ng du thu dLLo-c 5.60 ml khf SO2 (dktc). Vi€t c6c phr"Long trinlr plr6rr ilng xAy ra. Tirrh kh6i ltlong rn6i chit trong X. BAi 57. Cl-ro32,2 gam h6n ho-p gorr kim loai Zn va rnQt kim lo4i A ho6 tri Il.'fNl: Cho hrin ho-p kirn loai phiirr irng v6'i H2SO4 lolrrg, du thu du'o. c 4.48 lit khi (dktc). TN2:. Clro i6n ho. p kim loai phArr iLng voi H:SOq d[c, nring thLr dLLgc I 1,2 lir khi SO: (dktc). X6c dinh kirn loai A vd thdnh phAn phAn tram kh6i h-Lo. ng m6i kirn loai trong h5n ho. p. Bni 58. Hod tarr 3,82 gam h6n hop 2 rnu6i sunfat cira 2 kim lo4i A, B c6 ho6 tri tuong rirrg I vd ll vdo H2O, sau d6 th6rn BaCl, viLa dir d6 tao thdnh BaSOa k6t tria, Iirc d6 thu tlrrgc 6,99 gam BaSOa. 1. Tinh klr6i lugng rnu6i clorua.thu drLgc 2. XAc dinlr 2 l<irn loai A. B: biet A. B cung thrroc nrot chLr ki. 3. X6c dinh kh6i luo-rrg rn5i nrLr6i trong lr6rr hop ban datr. Bni 59. Cho 12,125 ganr mu6i sunfua cfia lcim lo+i N4 (h6a tri 2 l<h6ng d6i) t6c dung h6t v6'i dung dich HrSO+ rl4c nong dLl thodt ra ll.2lit khi SOr (dktc). X6c dinh M. Bni 60. Cho 12,8 gam h5n ho-p A g6nr Mg, Fe tric dr,rng v6'i 500 ml dr-rrrg dich H2SO+ lM (loang) thu duo-c dung dich B vA 8,96lit khi. l. Chimg minh axit du, tinh phAn tram l<h6i lu'o-ng rn5i kim loai trong h6n ho. p A. 2. Tinh n6ng d0 mol c6c chAt tan trong B. Gia sfl th6 tich dLrng dich thay d6i khong dang k6. 3. Cho durrg dich B t6c dr-rng v6'i mdt lr"Lo-ng du'dr"rng dich Ba(OH), thu cfr"Loc ket tira C. NLrng C trong kh6ng khi d6n kh6ilLlo-ng kh6ng dOi duo-c n.l gam ch6t rin D. Tinlr rn' Bei61.Chol0,38garnh6nho-pg6nrFe.Al vdAgch,ialirn2phAnbdngnhau.PhAn l:T6cdungvo'i dungclichH2SOa lo6rrg du thu duo.c 2,3521it khf (dktc). Ph6n 2: Tdc dprrg v6'i dung diclr H2SOa ddc nong du thu du'o.c 2,912 lit khi SO, (dktc). Tinh kh6i lu'o-rrg m6i kim loai trong h5n lro-p. Bni 62. Hoa tan nltl,l+ garn h5n ho. p 2 kim lo4i Mg vd Al bing 500 ml dung dich h5n ho-p chfi'a axit HCI lM vd axit H2SO4 0,28M, thr,r du'gc dung dich A vd 8,736 lit kh( H2 (dktc). Cho ring cdc axit ph6n ilrrg rl6ng tho'i v6i 2 kim loai. Tinh t6ng kh6i lu'o.'ng rnu6i tao thdnh sau phinli'ng Bni'63. Cho20,4 gam h6n hA'p X gdnr Fe, Zn, Al tdc dung v6'i dung dich HzSO+ du thLr duo-c 10,08 lit H2 (dktc). Mat kh6c cho 0,2 rnol X t6c dr,rng vi'a dil v6i 6,16 lit C12 (dktc). Tinh kh6i luo-ng m6i kirn loai. Bei 64. Cho rn gam FerOatan h6t trong dung dich HzSOq lodrrg du thu duo-c dLrng dich X. X ldrn rrtat mdu,vtra h6t 40 ml dung dich KMnOa 0,5M. Tirn m. Bni 65. Hdatarr 23,2 gan mu6i MCO.1 bing H2SOa dac n6ng dLLthu du'o.c m garn mLr6i sunfat vd 6,72lit h6n ho.p khi SOz, CO: (dktc). Tirn m. Bni 66. Cho m gam h5n ho. p A g6m Al, Mg t6c dpng voi dLrng dich HCI du'gi6i ph6ng 8,96 lit khi Hz(dktc). M[t kh6c, hda tan m gam A trong dung dlch H2SO4 dqc n6ng du thu dr.ro-c 2,56 garn S vd 0,896 lit khi X. Tim X. Bni 67. Hda tan hodn todn 34,8 garn rnQt oxit sit dang Fe*O, trong dLrng dlch H2SO4 ddc, nong. Sau phirr iLrrg tlru duo-c 1,68 Itt khi SO2 (sin phArn khil duy nhAt, dktc). Tim c6ng thilc oxit sat. Bdi 68. Klrii hodn todl rn garn oxit M*Ou cAn vira dir 17.92lit khi CO (dktc), thu" drLo.c a gam kirn loai M. Hod tarr li6t a garn M bing dung dicli H2SO4 d[c n6ng du, thu dugc 20,16 Iit khi SO2 (s6n phAm khrh'dLry nhAt, o dktc). Tim c6ng thi'c M"Or. Bni 69. Cho 35,6 gam h5n ho-p NazSOr vi NaHSOT-vdo dung dlch H2SOa .loing.du. SaLr khi phAn frrg ki5t thirc th6y kh6i lLLong dung cllch tang 16,4 garn. Tinh kh6i luolg rr6i rnu6itrong h6n ho-p ban dAu. Bdi 70 Hda tan hoirn todn 10,2 gam hai rnu6i cacbonat cfia 2 kirn loai bAt ki vdo dung dich H2SO4lodng du'thu du<rc 2,464lit khi (dtkc). l. Tinh kh6i lirgng rnu6i t4o thdnlr 2. Gi6 sfy hai kim lo4i tr6n thLr6c lrai chu ki li€n ti6p nhaLr cfra nh6m IIA. X6c dinh c6ng thrl'c cia hai mu6i tr6n. Bii 71. a) Oleum ld gi? Hay x6c dinh c6ng thilc oleum A. ni6t rang khi hoa tan 3,38 garn A vdo truoc, ph6i dirng 800 rnl dLrngdichKoH0,lMd6trtrnglrdadurrgdichA' b) CAn hda tan bao nlii6., gu,r, oleurn A vdo 200 garn H2O d6 clLro. c dLrng dich H2SO4 l0%. p,di jZ. Khi cho H2SO4 hAp thL,r SOq, ngu'di ta tlru drLo.c I oleum chiLa 7l% SO.] theo khdi lLLo-ng. X6c dinh c6ng thtc phAn tfi cita oleum A. Bii 73. Hda tal 6,76 gan rnQt olegm vdo nLr'6'c tao thAnlr 200.garr dung dich. Cu' l0 gam dung dich ndy duo-c trung hda viLah6tboi l6nrlclungdichNaOH0,5M.Tfnhhdnrh-LorrgphdrrtrdrnciraSOrc6trongolettm. Bdi i4. Tinh lLro. ng FeS2 cAn dnng di5 di€Lr chti rn6t lLro. ng SOr du d6 tan vdo 100 gam H2SOa 91% thanh oleum chfra 12.s\o SO1. Gid tlritit cdc ph6n iLng duo-c thu'c hi€n hodn toin. Bni 75. Cho 0,015 nrol mQt loai oleum vdo nuoc thr-r dr-ro.c 200 rnl dung dich X, E6 trung hod 100 rnl dung dich X cAn dirng 200 ml dung clich NaOH 0,15M. Tinh phAn tram vd kh6i lLIqng cira nguy€n t6 Iuu huj'nh trong oleum tr6n. Bdi 76.Cho 4,gg gam oleum A hda tan hodn todn vdo nuoc thr-r du'o. c clung dich A. De trung hoa h6t A ta dirng vua dt 600rnl dung dlch Ba(OH): 0,1M thu duo-c m garn k6t tira. 1 . Xai a;nn CT cira oleurn A vi tinh kh6i lu'o.'ng k6t tira tao thdnh 2. Tinh kh6i lrLo. rrg oleurr A cAn dirng cle hoa tan vdo 500rnl nu6'c thu duo,c dung dich H25O4200A. Bdi j7.a. DAn v lit So2 (dktc) vio clLrng dlch NaoH, rhu clLrgc 6,3 garn NazSor va I garn NaoFl du. Tinh gi6 tri cria V. b. DArr 2,24 l{t Sd, 1Aft.; vdo dung d ich chila I 0 gam NaOH. Tinh s6 gam c6c chAt thLr ciu'o-c satt phAn iLng. Bni 7g. a. Cho 0,5 mol Sor'fr6p thu hodn iodn veo dung cllch chira 0,7 rnol NaoH, s6n ph6m thu duo.c ld mu6i gi? Kh6i lLro. ng ld baorhi6u? b. H6p thu hodn todn 4,48 lit khi SO2 (dktc) vdo dung dich chira l0 garn NaOH. Tinh khoi lLro. ng mu5i t4o thdnh sau phAn ri'ng. Bni 79. -r. Hap thu h6t 4.4g lit khi So2 (dl<tc) vdo 200 ml durrg dich NaoH 1,5M. Tinh n6ng c16 c6c chat tan c6 trorrg dung diclr sau plrAn ung. n. H6p thu hodn toai z,ogs lit So2 dktc viro 2,5 lit dung dich Ba(ol{)2 a rrol/l tlru du'gc 17,36 gam kdt tira. Tirn a' Bni 80. l. D6n V tit so2 (dktc) hAp thLr ht5t vdo 750 ml Ba(oH) 0,lM; sau phdn tug kh6i luo'ng dung dich gi6m 0,235 gam.'firn V. 2. 6ot cnay ni5t t,o garn S r6i cho sdn phAm chrly, phin frrg v6'i 200 ml Ba(oH)z 0,15M. Tfnh kh6i luorrg k6t t[ra thu dugc. Bni gl. Cl.ro lj,2garn h6n h-op Fe vd Feroq vdo dung diih H2So4ddc n6ng tlru duo.'c 3,92lit Soz (dktc) vir dung dich A. L Tinlr %o rnFe Z. Din khi thu duo-c vho l00ml dung dich Ca(OH)z 1,5M. Tinlr klr6i lLLo-ng mu6i t4o thdnh. Bni 82. Hda tan 4,05 gam Al vdLo clung <1ich HzSO+ ddc, n6ng du thu duo-c 5,04 lit khi A' l. Xric dinh khi A. 2. Oan ,oan bg khi A vdo 150m1 dung dich Ca(OH)z lM. Tinh kh6i lLLo'ng rnu6i tpo thdnh' Bni 83. OOt ch6y hodn todn 6,8 ganr mQt chAt X thi thu duo. c 12,8 garn SOz vd 3,6 garn rrtr6'c. i L Xric dinh c6ng tlrf'c phdrr tir cira X. 2. N6u dem todn bQ khl So, thu duo-c o'tr€n hAp thr,r vdo 50 ml dung diclr NaoH 25% (d:1,28glml). Tinh n6ng dQ phAn trarn c6c chAt trorrg dur-rg dich thu duo-c. Bni g4. Nr,urg i5,g gam KMnOa mQt thoi gian thu duo'c m gam chat rin X vd v lit khi C)2 (dktc). cho X t6c dpng v6'i luo. ng du' dung dich HCI dac, thAy tho6t ra 4,2561it khi Cl2 (dktc)' Tim V' gai is. o6t clr6y 10,08 gam u6i sat trong kh6ng khf thu duo-c m gam h6n t.,a'p A g6m sit vd ciic oxit c[ra sit. Hoa tan hoirn todrr A trong dung dich H2SO4 ct[c du thu duo. c 3,36 lit khi SO2 (<lktc). Tinh m. Bni g6. clro m gam b6t sat phen irng hoan toin vo'i v lit 02 (dktc) thLr duo-c 4,4 gam h5n hg'p A g6m sdt vd c6c oxit cua sit. Hda tan hodn todp A trong dLng dich HzSOa d{c dtr thu duoc 1,68 lit khi SO2 (dktc). Tinh V. Bni 87. Hda tan h6t rn gam h6n ho-p g6m Fe, FeO, FejOr., Fe2O1 trong dr"rng dich HzSO4 dac du thu duo.c 0,224litkhi SO,. Cocan duttgdich sau phAn ilngthLr duoc l2 garn mLr6i' Tinhrn'. Bni gg. Nung m gam b6t iLr tronglhioxirhu du'o.c 24,8 garn chAt rin X gdm CLr, CuO vd Cu2O. Hda tan hodn toin X rrorrg H2SOa d{c n6ng, du thLr dr,Lo. c 4,48 lit khf SO2 (dktc). Tinh gid tri cira nr. Bni g9. Nung 46,4 gam h6p ho-p FejOa vd FeCOr ngodi kh6ng khi thLr duo-c 38,4 garn hdrr hop 3 oxit sat ud V lit khi COu (dktc). Hoa tan hodn toAn h6n ho'p oxit ndy trong dung dich H:SO4 d{c nong, du thu duo-c,2.24|it khi SOr. Tim V. Bnig0.Nung32gamhdnho.pgomFeSvdFeCO3ngodikh6ngklri thu duo-c22,4garnh5nho.p3oxitsituevlith6n ho-p khi SOr;d Cb, (Attc). ttou tun hodn todrr h5n ho-p oxit ndy trong dr,rng dich HzSOa ddc nong, du thu dugc2,24lit khi S02. Tirn V. Bdi 9r. Hda tarr hodrr todn 7 ,6 garn ch6t rin X g6m Cu, S, CuS, Cu2S bing dung dich HNOr dac n6ng du, tho6t ra 15,12 lit khi NO2 duy nh6t (dktc) va dung clich Y. Th6m Ba(OH)z du vdo Y thu duo. c m gam k6t tua. Tinh rn. Bdi 92. Hda tan hodn todn 20,88 garn rndt oxit sit bing clLrng dich H,SO4 dic, n6rrg thu du'o-c dung dich X vd 3,248 lit khi SO2 (s6n phAm khi'duy nh6t, o.dktc). C6 carr dung clich X, thu duo-c r.n gam mu6i sunfat khan. Tim giri tri cua m. Bei 93. Hod tal fiodn toAn 2,44 gam h5rr ho. p bdt X 96rr Fe"O, vd CLr bing dung dich H2SO4 d{c rr6ng (du). Sau plrAn img thu du c 0,504 lit khi SO, (sAn phAm khiL duy nh6t, dktc) vd clung dich chiLa 6,6 gam h6n ho.p mu6i sunfat. Tinh phin trbm kh6i luo-ng cfia Cu trong X. Bni 94. a. Nguyerr t6 X co h6a tri trong oxit.cao nh6t g6p 3 lAn h6a tri cira X trorrg ho'p chAt v6'i hidro. Bii5t ring trong oxit cao nnai"tiu X thi oxichi6m 60% uA f.fr6i luo-ng. X6c dinh nguydn t6 X. b. Nguydn tu' cua nguyen t6 Y co cAu hinli electron l6p ngodi cirng ld ,',st'.,p4 Trong ho-p chAt kh.i cira nguydn t6 y v6i hidri, y chitlm 94,12,i' f.noi luolg.l-inh phAn tram kh6i h-Lo-ng cua rrguy€n t6 Y trong oxit cao nhAt cira nci. Bii 95. Ti kh6icfra h6n ho'p X g6rn CO2 vd SOz so voi khinito bing 2. Cho 0,112 lit X (dktc) l6i chim qLra 500m1 dung dich Ba(OH)2. Sau thi nghi€m_phai dirng 25.00nr1 HCI 0,200 M d€ trr-rng hoa lLLgng Ba(OH)2 dLr'. l. Tinh % s6 rnol ctra rn6i khi trorrg h6n ho'p X. 2. Tirrh n6rrg dQ dLrng dich R_a(OtJ)2 truoc thi nghi6rn. . ! 3. Fl6y tirn ciich nhAn bi6t m6i khic6 trong h6n ho-p X, viet c6c phLLong trinlr plrAn [Lng. Bni 96. X ld h5n ho-p lrai kin lo4ri Mg vd Zn.Y lddung djch H2SO4 loing chua 16 rrdng dg. ThinghiQrn l: Cho 24,3 gatn X vdo 2 lir Y, sinh ra 8,95 lit khi H2. Thi nghi€m 2: Cho 24,3.gyn X vdo 3 lit Y,_sinlr ra.1l,2lit klri H2. Bi6t rdng trong thi nghi€m l, X clriLa tan h6t; trong thi nghi€rn 2,X dA tarr h€t. Tiuh u6ng d0 mol/l cira durrg dich Y vi kh6i luo-ng rr-r6i kirn loai lrong,X.( Ihe tit'h cti<' khi tirtrc do o dktc) Bni 97. cho 1,6g gam ho-p kirn Ag-cLr t6c dr-rng v6'i ch-rrrg dich HzSOa dac. n6ng. KhithLr dLLo-c t6c dung voi nu'oc clo dr-t, Jra,, ,",,r* *Au ,.u tlieo phuong trinfi: Soz + Cl2"+ 2 H2O : z uct + H:SO,1. Dung dich thu dtro. c sau khi phAn ilng v6i clo cho td:c Jung net voi du'g dich BaClr 0,15M tlrr-r du'o-c 2196 gam ket tira' l. Tinh th6 tich durrg dich BaC12 cAn dirng' . 2. l'inh thdrrh phAn % rn cira ho-p l<im' Bni 98. Cho i,0 gar.n h6n ho-p A (96rn Al u4 Me) hoa tan hodn todn,birlg, HrSOl,lganS,gia.i plrong 3,361it khi H, (dktc) vd dr,rng dich B. Cho B vdo iriaoH dLL, lAy kt5t tiia rila s4ch, nung t6'i kh6i luong klrong doi du'o'c m garn chat rdn. cho 1,5 ga' A t6c dr_rng v6.idung dich cuSo+ dLr', cLr6i cing thu ctrAt rin t4o thdnh cho t6c dpng vo-i HNor dac gi6i ph6ng V lit khi rndu rrAu (s6n phArn khir duy rrhAt, dktc)' f . Vi6t c6c phtrong trirrlr phan irng xay ra' 2. Tinh m vd V. fini t5unn phin;n (iheo kh6t lt()ng) rnSi chAt tro'g A' Bni 99. Hoa tan hodn todn h5n hop A g6m Mg; Cu vdo rnot lLro.lq'viLa dir durrg dic,h.H2so4 70% dT l?nq"'lu duo-c l,l2 lit So2 (dktc) vir du'g dich B. cho dLrng-Jich B t6c dung voi NaoH dr-t dLL-oc k6t ttra c; nr"rng-c,d€n kh6ijun-ng ;ir;,;;5i;;;d";;;i}iia" e cho E,t6Jdr,rrrg v6'i lLlo-ng du'H2 nuns n6rrg thu dso-c2.J2 gam h6n ho-p chat rrn F' 1. Tir-rh s6 gam Mg, Cu c6 trong h6n ho-p A' . ^. . ). z. ctro th6m 6,g ;;;;;" udo"dung ai.rr e drLo-c dung dlch B'. Tinh rr6rrg dQYo citc ch6t ffong B'(xem nhr-L luo-ng nu6'c bay hoi kh6ng dSng kC)' Bni 100. Hodtan gg,2 gaJn6n l.'o.p A gdn-, cu, Al, Fecor tro'g 250 nrl dung dlch H2Soa 98% (d=l'84 g/rnl) khi dLrn n6ng dugc dung dich g""a ha* r.,qp knit. cho h6n ho. p khi C ndy di qua cl,ng dlch brom du, satt ph6n f'ng duo. c dung dich D. Khirhodt ra khoi binh nLra'c brom cho hAp thLr i.rodn todn vdo binh dyrrg dr-rng dich Ba(oH)2 duoc 39'4 gam k6t ij",''il il #il;iine, a,,''g dlch NaoH duivio rai thr,r duo-c 19,7 gam t6t ttra. cho dr-'rg dich Bacl2 du vdo durrg diclr D dLro-c 349,5 garn kOt tira. l. Tinh kh6i lLrong tiLng ch6t c6 trong h5n h-op A' 2. Tinh thtj tich ct,ing dlch NaoH zMcin chovao du'g dich B d6 t6ch ri€'g io' Alr* ra kh6i c6c ion kirn lo4i kh6c' Tnrdng THPT chuyGn Khoa hoc Tu nhi6n BAI KIEM TRA TUOiT HOA LOP IO-LA T III Thdi gian lam bdi 45 phut QllA3D011) Biti 1" Nudc Gia-ven vd clorua vOi d6u c6 tinh s6t trirng, thy trhng sqi, vii ViCt phuong trinh phdn ring dd gi6i thich. Vi sao clorua vdi dugc sri dqng nhi6u hcrn nudc Gia-ven? Bai2" eho 69,6 garn M+Oz tdc dung vdi dung dich HCI ddc, du. Ddn khi tho6t ra di vdo 500rnl dung dich NaOH 4M (6 nhiet dQ thucmg). X6c dinh ndng dQ mol/l c6c ch6t ffong dung dich sau ph6n ring @oithA tich dung dich thay aAi khAng ddng k6, cdc phdn *ng xdy ra hodn todn). Bni 3. Cho 4,8 gam mQt kim 1o4i M thuQc nh6m IIA vdo 200 gam dung dich HCI 18,2506 thi thu duoc 4,48 lit khi (dkte). X6c dinh t6n kim lo4i M vd tinh n6ng dO C% cdc chdt kong dung dich thu dugc sau ph6n ring. Bei 4. Cho khi elo t6c dpng vira dri vdi 71.,2 gamh6n hqp gdm NaBr vd NaI thu dugc 35,1 gam mudi. Tfnh the tich khi elo (dktc) dd dirng vd tinh kh6i luqng Br2,I2thu dugc sau phin img. Bni 5. Nung 12,87 gam NaCl v6i H2SO q ddc, du o nhi6t d0 > 400oC thi thu dugc bao nhi6u lft khi (dktc) vd bao nhi€u gam mu6i Na2SOa. Bitlt hiqu su6t phan ring ld g0%. Bni 6. H6n hqp X g6m 2 mudi NaCl vd NaBr. Cho h6n hqp X t6c dung vdi dung dich bac nitrat du thdy tao ra ktit trSa c6 ktrOl tuqng bing tctr6i tuqng cria b4c nitrat dd tham gia ph6n ring. Tinh thanh phdn phAn trdm vO t<htii luqng cria mdi mu6i trong h6n hqp X. Bni 7. Nhiet phdn 3,675 gam kali cloraf (xric tdc MnO2), thdy thodt ra khi oxi vd cdn l4i ch6t rin g. Hda tan B vdo nu6c r6i cho t6c dpng vdi dung dich bac nitrat du thdy xudt hiQn 3,444 gam kdt tria. Tfnh th€ tich khi oxi (dktc) thu dugc vd tinh hiqu sr-rAt cria ph6n rmg nhiQt phdn. cho H:l N:14 0:16 F:19 Mn:55 Fe:56 Cu:64 Zn:65 0'\ M.g:24 AL:27 S:32 C1:35,5 K:39 Ca:40 Sr:88 Ag:108 l:127 Ba:137 '\ y' t /') r' -, V+',. l{t.r/r/"-' Na:23 Br:80 j LL .i ii r ll ! OOOO . dlch' Bai 43 . I . Tr6n Vr lit H2so4 lM v6'i v2 lit dc1 H2SO4 2M duoc I lit dd H2so4 1,4M. Tirn Vr' vr' 2. Tr6nt'1 gamddH2SO4 Sohvo-irl-l2gamdcl I'i2SO420o/othudtLo-c500gamddH2SO4. ho-p ndo ti6t ki€m cluo'c axit? Bii 24. Khi nhi6tphAn4ggarn.m6tctr6txthudu'o-c 13 ,44 lftkhf oxi (dktc)vdbrranchLla s2.35%kali vd 41 .650/oclo. Xdc dinh cong thu'c cria. thu hodn todn 4, 48 lit khi SO2 (dktc) vdo dung dich chira l0 garn NaOH. Tinh khoi lLro. ng mu5i t4o thdnh sau phAn ri'ng. Bni 79. -r. Hap thu h6t 4. 4g lit khi So2