Ngày tải lên :
27/06/2013, 11:46
... khỏc: CH3COOH 0,15M H+ + CH3COO 0,15M.1% = 0,0015M Cõu 8: A CH3COOH H+ + CH3COO S phõn t CH3COOH ban u: 0,01.6,0 23. 10 23 = 6,0 23. 1021 (phõn t) = 6,26.10 21 - 6,0 23. 1021 100% = 3, 93% 6,0 23. 1021 ... l: A 0,003M B 0,0015M C 0,015M D 0,03M Cõu 8Trong lớt dung dch CH 3COOH 0,01M cú 6,26.10 21 phõn t cha phõn li ion Bit s Avogarụ l 6,0 23. 10 23 in li cú giỏ tr l:A 3, 39% B 3, 99% C .3, 39% D 4,89% ... sau: NaCl, NaNO 3, Na2CO3, K2S, CH3COONa, NH4Cl, ZnCl2, cỏc mui khụng b thy phõn l A NaCl, NaNO3 B CH3COONa, Na2CO3, ZnCl2, NH4Cl C K2S, NaCl, NaNO3, Na2CO3, CH3COONa D NaCl, NaNO3, ZnCl2 Cõu Cho...