... s phừn li axit Ka = 1,8.10-5.pH ca dung dch l : A 2,875 B 2,456 C 2,446 D 2,668 Cừu 25: Cho dung dch NaOH cỳ pH = 13 (dung dch A) trung ho 10 ml dung dch A cn 10 ml dung dch B cha axit HCl v ... dung dch NaOH 0,06 M pH ca dung dch thu c l A 2, B 2,4 C 4,2 D ỏp ỏn khỏc Cừu 21: Tớnh in li ca axit CH3COOH 0,1M Bit pH ca dung dch ny l 2,9 A 1,26.10-2 B 0,126 C 2,26.10-2 D ỏp ỏn khỏc + Cừu ... A: 1e, 2b,3a, 4c,5e B: 1c,2a,3d,4b,5e C: 1d,2a,3c,4e,5b D: 1e,2b,3d,4a,5c Cừu 14: Theo nh ngha axit- baz ca Bronstet, cỏc cht v ion thuc dúy no sau õy l lng tớnh? A CO , CH3COOB ZnO, Al2O3, HSO...