常温下,用0.1000mol/LNaOH溶液滴定20.00mL0.1000mol

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问题:

常温下,用 0.1000mol/LNaOH溶液滴定 20.00mL0.1000mol/LCH3COOH溶液所得滴定曲线如下图.下列说法正确的是(  )

A.滴定过程中可能出现:C(CH3COOH)>C(CH3COO-)>C(H+)>C(Na+)>C(OH-

B.点①所示溶液中:C(CH3COO-)+C(OH-)=C(CH3COOH)+C(H+

C.点②所示溶液中:C(Na+)=C(CH3COOH)+C(CH3COO-

D.点③所示溶液中:C(Na+)>C(OH-)>C(CH3COO-)>C(H+

考点:溶液pH的有关计算粒子浓度大小的比较沉淀溶解平衡
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