... dung dch Y Cho 2,925 gam Zn vo dd Y thu c cht rn Z cú lng 3, 217 gam v dd ch cha mui nht Giỏ tr ca m l: A 1, 088 B 1, 216 C 1, 152 D 1, 344 Cõu 49: Cỏc cht no cú th cựng tn ti mt dung dch: A HCOONa; ... lng ca clo chim 24, 91% Giỏ tr ca k l: A B C D PHN LI GII CHI TIT Cõu :Chn ỏp ỏn A n HCl = 0, 025 0, 025.63 n AgCl = 0, 025 %HNO3 = = 3, 01% Ta cú : 50 .1, 1 + 0, 025.36,5 0, 025 .14 3,5 n AgNO3 ... cỏc ỏp ỏn thy ch cú ankan v anken 11 Br2 n anken = 0, 025 Ta cú : n X = 0, 075 n ankan = 0, 05 n = 12 ,5 = 0 ,12 5 10 0 C H BTNT.C 0, 025.3 + 0, 05 .1 = 0 ,12 5 Nhn thy : CH Vi A,C,D d thy...