摘要：21．把0.02mol/LHAc溶液和0.01mol/LNaOH溶液以等体积混和.则混合液中微粒浓度关系正确的为 A．AC-)＞C(Na+) B． C C．2C D．C=0.01mol/L
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把0.02mol/LCH3COOH溶液和0.01mol/LNaOH溶液以等体积混和，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+)
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把0.02mol/LCH3COOH溶液和0.01mol/LNaOH溶液以等体积混和，则混合液中微粒浓度关系正确的为 （ ）
A．c (CH3COO-)＞c (Na+) B．c (OH-)＞c (H+)
C．c (CH3COOH)＞c (CH3COO-) D．c (CH3COOH)+c (CH3COO-)=0.02mol/L
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把0.02mol/LCH3COOH溶液和0.01mol/LNaOH溶液以等体积混和，则混合液中微粒浓度关系正确的为 ( )
| A．c (CH3COO－)="c" (Na+) | B．c (OH－)＞c (H+) |
| C．c (CH3COOH)＞c (CH3COO－) | D．c (CH3COOH)+c (CH3COO－)=0.01mol/L |