摘要:12.向体积为0.05mol·L-1CH3COOH溶液中加入体积为Vb的0.05mol·L-1KOH溶液.下列关系错误的是 A.Va>Vb时:c (CH3COOH) + c (CH3COO-)>c (K+) B.Va=Vb时:c (CH3COOH) + c (H+)>c (OH-) C.Va<Vb时:c (CH3COO-)>c (K+)> c (OH-)> c (H) D.Va与Vb任意比时:c (K+)+ c (H+) =c (OH-)+ c (CH3COO-)
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