摘要：9．向体积为Vaml的0．05mol／LCH3COOH溶液中加入体积为Vbml的0．05mol／LKOH溶液.下列关系错误的是 A．Va>Vb时:c(CH3COOH)+c(CH3COO-1)>c(K+) B．Va＝Vb时:c(CH3COOH)+c(H+)＝c(OH-) C．Va<Vb时:c(CH3COO-1)>c(K+)>c(OH-)>c(H+) D．Va与Vb任意比时:c(K+)+c(H+)＝c(OH-)+c(CH3COO-1)

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