www.TOPPER.com.vn | (04) 6680.0464 13 16 18 20 s Li K Ba [Rn]7s2 Franxi [Rn]7s1 [226] Ra 88 Fr [223] [227] Ac Ca Actini [Ar]6d17s2 89 Lantan [Ar]5d16s2 138,9 Bari [Xe]6s2 57 Xezi [Xe]6s1 137,31 La 56 Ba 132,9 Cs 87 55 Yttri [Kr]4d15s2 Stronti [Kr]5s2 88,91 [Kr]5s1 39 Y 87,62 Sr 38 44,96 Sc [Ar]3d14s2 21 Tên Rb 85,47 Canxi [Ar]4s2 Kali [Ar]4s1 40,08 Ca 20 K 39,10 Magie [Ne]3s2 24,31 Natri [Ne]3s1 12 Liti 1s22s1 22,99 Beri 1s22s2 9,01 Be Li 6,94 1s1 Mg 19 37 1,008 H Na 11 Ti 47,87 1s1 H 1,008 91,22 Zr 178,5 180,9 Na [Ar]5f146d27s2 183,85 Mg Al 54,94 Mn Tc [99] 75 Rheni Re 186,2 Tecneti [Kr]4d55s2 43 Mangan [Ar]3d54s2 25 [264] Bh Cr [Ar]5f146d57s2 Bhori 107 [Ar]4f145d56s2 Mn [Ar]5f146d57s1 Seabogi [Ar]5f146d37s2 Dubni [226] Sg 106 [Ar]4f145d56s1 W Vonfram 74 Db 105 [262] Rf [261] 104 Tantal Ta [Ar]4f145d36s2 73 [Kr]4d55s1 95,94 Niobi [Kr]4d35s2 42 Mo 92,91 52,00 Cr Crom [Ar]3d54s1 24 Nb 41 Hafni Hf 50,94 V [Ar]3d34s2 23 [Ar]4f145d26s2 72 Zirconi [Kr]4d25s2 40 Titan [Ar]3d24s2 22 55,85 Fe 190,2 Osmi Os [264] Hs Zn [Ar]5f146d67s2 Hassi 108 [Ar]4f145d66s2 76 Rhuteni [Kr]4d65s2 Ru 44 101,07 [Ar]3d64s2 26 192,2 Ir [268] Mt Cr [Ar]5f146d77s2 Meitneri 109 [Ar]4f145d76s2 77 [Kr]4d75s2 Rh 45 102,91 106,40 Pd Vàng Fe [Ar]5f146d87s2 Ununnili Uun 110 [271] Ni 65,39 Zn [277] Pb [Ar]5f146d107s2 Ununbi Uub 112 [Ar]4f145d106s2 Hg 80 200,59 Cadimi [Kr]4d105s2 Cd 48 112,41 [Ar]3d104s2 30 Sn [Ar]5f146d107s1 Unununi [272] Uuu 111 [Ar]4f145d106s Plantin 79 196,97 [Kr]4d105s1 Ag 47 107,87 Au 195,09 63,55 Cu [Ar]3d104s1 29 Pt [Ar]4f145d86s2 78 [Kr]4d85s2 46 Niken [Ar]3d84s2 58,69 Coban [Ar]3d74s2 28 Ni 58,93 Co 27 10,81 B 69,72 Galli Ga 114,8 In 204,4 Tl 113 H2 phá Tali [A]5d106s2p1 81 [Kr]4d105s2p1 49 [Ar]3d104s2p1 31 72,61 Ge 118,7 Sn 207,2 Pb [289] Cu Uuq 114 Chì [A]5d106s2p2 82 [Kr]4d105s2p2 50 [Ar]3d104s2p2 Germani 32 Silic [Ne]2s22p2 28,09 Nhôm [Ne]2s22p1 14 16,00 209,0 Bi phá Hg 115 Bismut [A]5d106s2p3 83 [Kr]4d105s2p3 phá Ag 116 Pt 117 phá Au 118 phá [A]5d106s2p6 [222] Astali [A]5d106s2p5 86 Poloni [A]5d106s2p4 [210] Xenon [Kr]4d105s2p6 Rn 85 131,3 Xe At [209] [Kr]4d105s2p5 54 [Ar]3d104s2p6 Po 84 [Kr]4d105s2p4 Iot 126,9 Telluri 53 Antimon 127,6 I 52 [Ar]3d104s2p5 Te 121,8 [Ar]3d104s2p4 Ab 51 [Ar]3d104s2p3 Krypton 83,80 Brom 36 Seleni 79,90 Arsenic 35 Kr 78,96 Br 34 39,95 Ar Argon [Ne]2s22p6 18 Se 74,92 35,45 Cl Clo [Ne]2s22p5 17 Neon 1s22s22p6 20,18 Flo 1s22s22p5 10 Ne 19,00 Heli 1s2 F 1,008 He As 33 [Ne]2s22p4 32,07 Photpho [Ne]2s22p3 16 Oxi 1s22s22p4 O S 30,97 P 15 1s22s22p3 14,01 Cacbon 1s22s22p2 N 12,01 C Si 26,98 Al 13 Bo 1s22s22p1 s www.TOPPER.com.vn | (04) 6680.0464 ) o): n no C Co hoàn toàn thành ion = VD: HCl VD: CH3COOH H+ + Cl– Ba2+ Ba(OH)2 NaCl < Na+ + Mg(OH)2 + 2OH– Mg2+ + 2OH– Ca2+ + SO42– Cl– + VD: HCl, H2SO4, CaSO4 CH3COO– + H+ + – VD: NaOH, Ca(OH)2, OH– VD: Al(OH)3, Zn(OH)2, s www.TOPPER.com.vn | (04) 6680.0464 +) +) +) Al(OH)3, Zn(OH)2… trung bình 2+, – , 2–, Al3+, Zn2+, HSO3–, HS–, HPO42–… CO32–, PO43–, CH3COO–… NH4+… 4)2CO3… *) n A + H2O Ka B + H3O+ B + H2O [B].[H ] [A] Kb A + OH– [A].[OH ] [B] – Kb – Ka b a – Ka – Kb + ) – – VD: NaCl, Al2(SO4)3, Na2CO3… 2HPO3, NaH2PO2 hòa + VD: NaHCO3, K2HPO4, KHSO4… 2… s www.TOPPER.com.vn | (04) 6680.0464 (A (B (C (D (A) CH4 (A) H2SO4 (A) (C) (A (B (C (D (B) C2H5OH (C) HCl (B) KOH không (C) C2H5OH (D) AgNO3 sau không (D) C6H6 n n đư (B) HBr hòa tan nư (D) t (A) H2S, NaCl, AgNO3 (C) AgNO3, HCl, AgCl (B) NaCl, AgNO3, HCl (D) H2O, H2CO3, AgCl (A) H2SO4 H+ + SO42– (B) H2SO4 2H+ + HSO4– (C) H2SO4 H+ + 2SO42– (D) H2SO4 2H+ + SO42– (A) NaOH Na+ + Cl– (B) Na2SO4 (C) BaSO4 Ba2+ + SO42– (D) NaCl (A) HCl (B) HNO3 không (C) CH4 2Na+ + SO42– Na+ + Cl– (D) H2SO4 s www.TOPPER.com.vn | (04) 6680.0464 A (A) NaOH (C) C6H5OH B (A) NaOH không (B) Ca(OH)2 (D) KOH (B) Mg(OH)2 (C) Al(OH)3 C (A (C (B (D D (A (C (B (D (D) Cu(OH)2 E (A) Cl– (B) S2– (C) Cu2+ (D) Al3+ (A) CO32– (B) S2– (C) Al3+ (D) SO32– G (A) Na2CO3 (B) KCl (C) NaOH (D) KHSO3 F H KAl(SO4)2.12H2O, C2H5OH, C12H22O11 CH3COOH, Ca(OH)2, CH3COONH4 A) B) C) D) I (A) KNO3, PbCl2, Ca(HCO3)2, Na2S, NH4Cl (B) KNO3, HClO4, Ca3(PO4)2, Na2CO3, CuSO4 (C) KHSO4, HClO4, Na2S, CH3COONa, NH4Cl (D) KOH, HClO4, NaHSO4, Ca(HCO3)2, NH3 J (A) NaCl (C) Na2SO4 không Na+ + Cl– 2Na+ + SO42– (B) CaSO4 (D) CaCl2 Ca2+ + SO42– Ca2+ + 2Cl– s www.TOPPER.com.vn | (04) 6680.0464 K (A) HCl, H2SO4, H2CO3, CO32– (B) NaOH, KOH, Mg(OH)2, Mg2+ (C) HNO3, HCOOH, Mg2+ (D) Al3+, Zn2+, CO32– L M 2, a b – , HCOOH CH3COO–, HCOO– s www.TOPPER.com.vn | (04) 6680.0464 2O H+ + OH– o KH O [H ].[OH ]=1,0.10 14 + [H+] > 10-7 M [H+] = 10-7 M [H+] < 10-7 M pH = –lg[H+] VD: [H+] = 10–1 [H+] = 10–7 [H+]= 10-11 [H+] > 10-7 M [H+] = 10-7 M pH < pH = 2, SO2, H2 H+ H2CO3 H2SO3 H2S [H+] < 10-7 M pH > OH– + cation HCO3–, CO32– HSO3–, SO32– HS–, S2– cation NH4+ s www.TOPPER.com.vn | (04) 6680.0464 IA, NH4+ NO3–, Cl–, Br–, I– SO42– OH– tan – ) CH3COO– axetat (CH3COO– tan –, Br–, I– Ag+ Pb2+ 2– 2+, CO32–, SO32–, PO43– sunfit (SO32–) photphat (PO43– IA NH4+ 2– S2– + sau: VD: BaCl2 + H2SO4 BaSO4 + 2HCl Ca(NO3)2 + Na2CO3 CaCO3 + 2NaNO3 VD: Na2CO3 + 2HCl NaCl + CO2 + H2O Na2S + H2SO4 Na2SO4 + H2S (H2O) VD: NaHCO3 + NaOH Na2CO3 + H2O KHSO3 + KOH K2SO3 + H2O không VD: Dãy ion (A) Na+, Cl–, Ag+, NO3– (B) K+, Ba2+, Cl–, SO42– (C) H+, Na+, HCO3–, SO42– (D) Na+, K+, SO42–, NO3– HD: (D Ba2+, Pb2+ 2– ), + s www.TOPPER.com.vn | (04) 6680.0464 – pH = 7) AXIT axit (pH > 7) (pH < 7) pH VD: AlCl3 N Al(OH)3 HCl nên AlCl3 o (A) 10–7 O W (B) 10–14 (C) 1014 o (A) 105 M + (B) 10–9 (D) 107 10–5 (C) 109 – (D) 107 P (A) pH = [H+].[OH–] (B) pH = log [OH–] (C) pH = –lg[OH–] (D) pH = –log[H+] Q (A) (C) R (A) CaCO3 (B) (D) (B) BaCO3 (C) K2SO4 (D) BaSO4 s www.TOPPER.com.vn | (04) 6680.0464 S (A) AgNO3 (B) BaCl2 (C) MgSO4 (D) CuS T (A (B (C (D U (A) NaCl HNO3 (C) Mg(NO3)2 Na2SO4 (B) NaOH CaCl2 (D) AgNO3 NaBr V (A) Al3+, NH4+, Br , OH (B) Mg2+, K+, SO4 , PO4 (C) H+, Fe3+, NO3 , SO4 (D) Ag+, Na+, NO3 , Cl W (A) HCl (B) NaCl X (A) 11 + (B) Y (A) AgCl, Ag2SO4, Ca(NO3)2 (C) Al2(SO4)3, AgCl, Ca(NO3)2 Z (C) Na2CO3 4Cl, (D) NH4Cl –3 M (C) 10 (D) (B) PbCl2, PbSO4, BaSO4 (D) BaSO4, CaSO4, NaCl (NH4)2SO4, NaCl, MgCl2, FeCl2, AlCl3 (A) (B) (C) (D) a (A) Al3+, PO43–, Cl–, Ba2+ (B) Ca2+, Cl–, Na+, CO32– (C) K+, Ba2+, OH–, Cl– (D) Na+, K+, OH–, HCO3– b (A) KNO3 Na2CO3 (C) Na2SO4 BaCl2 (B) Ba(NO3)2 Na2CO3 (D) Ba(NO3)2 K2SO4 s www.TOPPER.com.vn | (04) 6680.0464 c (A) d KNO3 là: (A) (3), (2), (4), (1) (C) (1), (2), (3), (4) 3, (B) NaHSO4, NaHCO3, K2S, NH4Cl, AlCl3, CH3 (C) (D) 2CO3 (B) (4), (1), (2), (3) (D) (2), (3), (4), (1) (1), H2SO4 (2), HCl (3), s www.TOPPER.com.vn | (04) 6680.0464 Tính [H+] Tính pH = –lg[H+] VD1: –3 M –3 a +] PT phân li: HCl – PT phân li: NaOH M Na+ + OH– –] H+ + Cl– = [NaOH] = 10–3 M +].[OH–] [H+] = [HCl] = 0,01 M [H+ ] = pH = –lg[H+] = –lg(0,01) = 10 14 10 10 11 M –11) +] H+ + OH– H2O + – = 10-14 = 11 s www.TOPPER.com.vn | (04) 6680.0464 VD2: + nH nHCl 0, 01 (mol); nOH + + OH– – nNaOH 0, 015 (mol) H2O nOH (d−) 0, 005 (mol) Tính [H+] Ta có [OH ]= 0, 005 0, 25 0, 02 M [H ]= 10 14 0, 02 -13) 5.10 13 M = 12,3 e 2SO4 0,5.10–3 M 10–2 M –3 M; H2SO4 0,3.10–3 M 0,05 M f Hòa tan hoàn toàn m gam BaO vào nư c thu đư b Tìm m? g h 2SO4 s www.TOPPER.com.vn | (04) 6680.0464 i j 2SO4 k đ a thu đư 2SO4 A B theo s www.TOPPER.com.vn | (04) 6680.0464 VD3: – – + HCl + 2HCl CaCO3 + 2HCl CaCl2 CaCO3 + 2H+ + 2Cl CaCl2 + CO2 + H2O CaCl2 + CO2 + H2O + CO2 + H2O Ca2+ + 2Cl + CO2 + H2O – ) Ca2+ + CO2 + H2O CaCO3 + 2H+ VD4: (a) Ba(NO3)2 + Na2SO4 BaSO4 + NaNO3 B1: Ba(NO3)2 + Na2SO4 BaSO4 + 2NaNO3 B2: Ba2+ + 2NO3 + 2Na+ + SO42 B3: Ba2+ + SO42– BaSO4 + 2Na+ + 2NO3 BaSO4 (b) B1: Mg(OH)2 + HCl MgCl2 + H2O Mg(OH)2 + 2HCl MgCl2 B2: Mg(OH)2 + 2H+ + 2Cl B3: Mg(OH)2 + 2H+ + 2H2O Mg2+ + 2Cl + 2H2O 2+ + 2H2O s www.TOPPER.com.vn | (04) 6680.0464 l a NaHCO3 + HCl NaCl + CO2 + H2O b KCl + AgNO3 KNO3 + AgCl c Fe2(SO4)3 + NaOH Fe(OH)3 + Na2SO4 d FeS + HCl FeCl2 + H2S e Cu(OH)2 + HNO3 g NaHSO4 + NaOH 3)2 + H2O Na2SO4 + H2O m a H+ + OH– H2O b Ba2+ + SO42– BaSO4 c CO32– + 2H+ CO2 + H2O d Cu2+ + H2S CuS + 2H+ n (1) (NH4)2SO4 + BaCl2 (3) Na2SO4 + BaCl2 (5) (NH4)2SO4 + Ba(OH)2 o – – (2) CuSO4 + Ba(NO3)2 (4) H2SO4 + BaSO3 (6) Fe2(SO4)3 + Ba(NO3)2 3+, SO42 , NH4+, Cl s www.TOPPER.com.vn | (04) 6680.0464 x+; b mol By+; c mol Cz–; d mol Dt– a.(+x) + b.(+y) + c.(–z) + d.(–t) = VD5: +; 0,3 mol Na+; 0,25 mol NO3– x mol OH– x = 0,25 (mol) + nH nOH + OH– H2O 0, 25 (mol) y nHCl nH 2+, (A) 0,03 0,02 (C) 0,01 0,03 0, 02 0, 03 x K mion = m Cu2 y x + 2y =0,07 (1) SO24 Cl =5,435 (gam) 64 0, 02 39 0, 03 35,5x m 0,03 mol K+, x mol Cl y mol SO42 (B) 0,05 0,01 (D) 0,02 0,05 Cu2 mion 0,25 (mol) m K m Cl x = 0,03; y = 0,02 96y 5,435 (gam) m SO2 35,5x + 96y =2,985 (2) s www.TOPPER.com.vn | (04) 6680.0464 p +; b mol Ca2+; c mol Al3+; d mol Cl-; e mol NO3- i lư i lư q 2+; 0,06 mol OH–; 0,02 mol Na+ HCO3–; 0,03 mol CO32–; b mol Na+ a Tính a b c Tính m r 3+, SO42 , NH4+, Cl thành – – s +, ch A đun nóng thu đư đktc) ng đ i lư i khan thu đư NH4+, SO42-, CO32- đ dư dung d đ 2SO4 loãng dư thu đư s www.TOPPER.com.vn | (04) 6680.0464 Câu C Câu E B Câu R C C F C S D C G D T D A H B U D B I C V C B J B W C D K C X B C L Y B C Z C B D A M N a B C O B C b C B P D B c A B C Q d D D L K a (HClO) M Kb [ClO ].[H ] [HClO] [HNO2 ].[OH ] (NO2 ) [NO2 ] e a pH = b pH = 12,3 c pH = d pH = 13,41 f a BaO + H2O b m = 1,53 gam K a (HNO 2) Kb [NO2 ].[H ] [HNO2 ] K a (HCOOH) [CH3COOH].[OH ] (CH3COO ) [CH3COO ] Kb [HCOO ].[H ] [HCOOH] [HCOOH].[OH ] (HCOO ) [HCOO ] g a pH = b pH = Ba(OH)2 h a 2KOH + H2SO4 2SO4 c pH = iV = 900 ml K2SO4 + 2H2O s www.TOPPER.com.vn | (04) 6680.0464 j a H+ + OH– H2O – c pH = 13 k a VA/VB = 7/9 b VA/VB = 5/11 l a HCO3– + H+ CO2 + H2O b Cl– + Ag+ AgCl c Fe3+ + 3OH– d FeS + 2H+ Fe(OH)3 Fe2+ + H2S e Cu(OH)2 + 2H+ g HSO4– + OH– 2+ + 2H2O SO42– + H2O m a HCl + NaOH NaCl + H2O 2HNO3 + Ba(OH)2 Ba(NO3)2 + 2H2O BaSO4 + 2NaCl b BaCl2 + Na2SO4 BaSO4 + 2HNO3 Ba(NO3)2 + H2SO4 c Na2CO3 + 2HCl 2NaCl + CO2 + H2O K2SO4 + CO2 + H2O K2CO3 + H2SO4 d CuCl2 + H2S CuS + 2HCl CuSO4 + H2S CuS + H2SO4 n (1) (NH4)2SO4 + BaCl2 (2) CuSO4 + Ba(NO3)2 (3) Na2SO4 + BaCl2 (4) H2SO4 + BaSO3 (5) (NH4)2SO4 + Ba(OH)2 (6) Fe2(SO4)3 + 3Ba(NO3)2 BaSO4 + 2NH4Cl Cu(NO3)2 + BaSO4 2NaCl + BaSO4 BaSO4 + SO2 + H2O BaSO4 + 2NH3 + 2H2O 3BaSO4 + 2Fe(NO3)3 o NH4+ + OH– NH3 Fe3+ Fe(OH)3 + 3OH– Ba2+ + SO42– BaSO4 + H2O s www.TOPPER.com.vn | (04) 6680.0464 p a a + 2b + 3c = d + e b m = 23a + 40b + 27c + 35,5d + 62e c e = 1,5; m = 137,4 gam q a a = 0,02; b = 0,1 b HCO3– + OH– Ba2+ + CO32– c m = 3,94 gam CO32– + H2O BaCO3 r NH4+ + OH– NH3 Fe3+ Fe(OH)3 + 3OH– Ba2+ + SO42– b m = 7,46 gam BaSO4 s a CM (NH4+) = CM (Na+) = 0,4 M CM (SO42–) = CM (CO32–) = 0,2M b m = 2,38 gam + H2O [...]... 2SO4 A B theo s www.TOPPER.com.vn | (04) 6680.0464 VD3: – – + HCl 3 + 2HCl 3 CaCO3 + 2HCl CaCl2 CaCO3 + 2H+ + 2Cl CaCl2 + CO2 + H 2O CaCl2 + CO2 + H 2O + CO2 + H 2O Ca2+ + 2Cl + CO2 + H 2O – ) Ca2+ + CO2 + H 2O CaCO3 + 2H+ VD4: (a) Ba(NO3)2 + Na2SO4 BaSO4 + NaNO3 B1: Ba(NO3)2 + Na2SO4 BaSO4 + 2NaNO3 B2: Ba2+ + 2NO3 + 2Na+ + SO42 B3: Ba2+ + SO42– BaSO4 + 2Na+ + 2NO3 BaSO4 (b) B1: Mg(OH)2 + HCl MgCl2 + H 2O. .. [ClO ].[H ] [HClO] [HNO2 ].[OH ] (NO2 ) [NO2 ] e a pH = 3 b pH = 12,3 c pH = 3 d pH = 13,41 f a BaO + H 2O b m = 1,53 gam K a (HNO 2) Kb [NO2 ].[H ] [HNO2 ] K a (HCOOH) [CH3COOH].[OH ] (CH3COO ) [CH3COO ] Kb [HCOO ].[H ] [HCOOH] [HCOOH].[OH ] (HCOO ) [HCOO ] g a pH = 3 b pH = 5 Ba(OH)2 h a 2KOH + H2SO4 2SO4 c pH = 7 iV = 900 ml K2SO4 + 2H 2O s www.TOPPER.com.vn | (04) 6680.0464 j a H+ + OH– H 2O – c. .. 5 /11 l a HCO3– + H+ CO2 + H 2O b Cl– + Ag+ AgCl c Fe3+ + 3OH– d FeS + 2H+ Fe(OH)3 Fe2+ + H2S e Cu(OH)2 + 2H+ g HSO4– + OH– 2+ + 2H 2O SO42– + H 2O m a HCl + NaOH NaCl + H 2O 2HNO3 + Ba(OH)2 Ba(NO3)2 + 2H 2O BaSO4 + 2NaCl b BaCl2 + Na2SO4 BaSO4 + 2HNO3 Ba(NO3)2 + H2SO4 c Na2CO3 + 2HCl 2NaCl + CO2 + H 2O K2SO4 + CO2 + H 2O K2CO3 + H2SO4 d CuCl2 + H2S CuS + 2HCl CuSO4 + H2S CuS + H2SO4 n (1) (NH4)2SO4 + BaCl2... + H 2O Mg(OH)2 + 2HCl MgCl2 B2: Mg(OH)2 + 2H+ + 2Cl B3: Mg(OH)2 + 2H+ + 2H 2O Mg2+ + 2Cl + 2H 2O 2+ + 2H 2O s www.TOPPER.com.vn | (04) 6680.0464 l a NaHCO3 + HCl NaCl + CO2 + H 2O b KCl + AgNO3 KNO3 + AgCl c Fe2(SO4)3 + NaOH Fe(OH)3 + Na2SO4 d FeS + HCl FeCl2 + H2S e Cu(OH)2 + HNO3 g NaHSO4 + NaOH 3)2 + H 2O Na2SO4 + H 2O m a H+ + OH– H 2O b Ba2+ + SO42– BaSO4 c CO32– + 2H+ CO2 + H 2O d Cu2+ + H2S CuS + 2H+... www.TOPPER.com.vn | (04) 6680.0464 S (A) AgNO3 (B) BaCl2 (C) MgSO4 (D) CuS T (A (B (C (D U (A) NaCl và HNO3 (C) Mg(NO3)2 và Na2SO4 (B) NaOH và CaCl2 (D) AgNO3 và NaBr V (A) Al3+, NH4+, Br , OH (B) Mg2+, K+, SO4 , PO4 (C) H+, Fe3+, NO3 , SO4 (D) Ag+, Na+, NO3 , Cl W (A) HCl (B) NaCl X (A) 11 + (B) 3 Y (A) AgCl, Ag2SO4, Ca(NO3)2 (C) Al2(SO4)3, AgCl, Ca(NO3)2 Z (C) Na2CO3 4Cl, (D) NH4Cl –3 M là (C) ... 10 (D) 5 (B) PbCl2, PbSO4, BaSO4 (D) BaSO4, CaSO4, NaCl (NH4)2SO4, NaCl, MgCl2, FeCl2, AlCl3 2 (A) 5 (B) 4 (C) 1 (D) 3 a (A) Al3+, PO43–, Cl–, Ba2+ (B) Ca2+, Cl–, Na+, CO32– (C) K+, Ba2+, OH–, Cl– (D) Na+, K+, OH–, HCO3– b (A) KNO3 và Na2CO3 (C) Na2SO4 và BaCl2 (B) Ba(NO3)2 và Na2CO3 (D) Ba(NO3)2 và K2SO4 s www.TOPPER.com.vn | (04) 6680.0464 c (A) 2 d KNO3 là: (A) (3), (2), (4), (1) (C) (1), (2), (3),... (NH4)2SO4 + BaCl2 (3) Na2SO4 + BaCl2 (5) (NH4)2SO4 + Ba(OH)2 o nhau – – (2) CuSO4 + Ba(NO3)2 (4) H2SO4 + BaSO3 (6) Fe2(SO4)3 + Ba(NO3)2 3+, SO42 , NH4+, Cl 2 s www.TOPPER.com.vn | (04) 6680.0464 x+; b mol By+; c mol Cz–; d mol Dt– a.(+x) + b.(+y) + c. (–z) + d.(–t) = 0 VD5: +; 0,3 mol Na+; 0,25 mol NO3– và x mol OH– x = 0,25 (mol) + nH nOH + OH– H 2O 0, 25 (mol) y nHCl nH 2+, (A) 0,03 và 0,02 (C) 0 ,01 và... (NH4)2SO4 + BaCl2 (2) CuSO4 + Ba(NO3)2 (3) Na2SO4 + BaCl2 (4) H2SO4 + BaSO3 (5) (NH4)2SO4 + Ba(OH)2 (6) Fe2(SO4)3 + 3Ba(NO3)2 BaSO4 + 2NH4Cl Cu(NO3)2 + BaSO4 2NaCl + BaSO4 BaSO4 + SO2 + H 2O BaSO4 + 2NH3 + 2H 2O 3BaSO4 + 2Fe(NO3)3 o NH4+ + OH– NH3 Fe3+ Fe(OH)3 + 3OH– 2 Ba2+ + SO42– BaSO4 + H 2O s www.TOPPER.com.vn | (04) 6680.0464 p a a + 2b + 3c = d + e b m = 23a + 40b + 2 7c + 35,5d + 62e c e = 1,5; m = 137,4... b mol Na+ a Tính a và b c Tính m r 3+, SO42 , NH4+, Cl thành – – 2 s +, ch A và đun nóng thu đư đktc) ng đ i lư i khan thu đư NH4+, SO42-, CO32- đ dư dung d đ 2SO4 loãng dư thì thu đư 2 s www.TOPPER.com.vn | (04) 6680.0464 C u 1 C Câu E B C u R C 2 C F C S D 3 C G D T D 4 A H B U D 5 B I C V C 6 B J B W C 7 D K C X B 8 C L Y B 9 C Z C B D A M N a B C O B C b C B P D B c A B C Q d D D L K a (HClO) M... mion = m 1 Cu2 y 2 0 x + 2y =0,07 (1) SO24 Cl =5,435 (gam) 64 0, 02 39 0, 03 35,5x m 0,03 mol K+, x mol Cl và y mol SO42 (B) 0,05 và 0 ,01 (D) 0,02 và 0,05 Cu2 mion 0,25 (mol) m K m Cl x = 0,03; y = 0,02 96y 5,435 (gam) m SO2 4 35,5x + 96y =2,985 (2) s www.TOPPER.com.vn | (04) 6680.0464 p +; b mol Ca2+; c mol Al3+; d mol Cl-; e mol NO3- i lư i lư q 2+; 0,06 mol OH–; 0,02 mol Na+ HCO3–; 0,03 mol CO32–;