问题
选择题
把0.02mol/LCH3COOH溶液和0.01mol/LNaOH溶液以等体积混合，则混合液中微粒浓度关系正确的是（ ）
A．c （CH3COO-）＞c （Na+）
B．c （CH3COOH）+c （CH3COO-）=0.02mol/L
C．c （CH3COOH）＞c （CH3COO-）
D．c （OH-）＞c （H+）
答案
答案：A
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把0.02mol/LCH3COOH溶液和0.01mol/LNaOH溶液以等体积混合，则混合液中微粒浓度关系正确的是（ ）
A．c （CH3COO-）＞c （Na+）
B．c （CH3COOH）+c （CH3COO-）=0.02mol/L
C．c （CH3COOH）＞c （CH3COO-）
D．c （OH-）＞c （H+）
答案：A
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