常温下,用 0.1000 mol/L NaOH溶液滴定 20.00mL0.1000 mol/L CH3COOH溶液所得滴

常温下 0.1000 mol/L NaOH溶液滴定 20.00mL0.1000 mol/L CH3COOH溶液所得滴定曲线如图。下列说法正确的是

A.点所示溶液中:c(CH3COO)+ c(OH)=c(CH3COOH)+ c(H+)

B.点所示溶液中:c(Na+)=c(CH3COOH)+ c(CH3COO)

C.点所示溶液中:c(Na+) >c(OH) >c(CH3COO) > c(H+)

D.滴定过程中可能出现:

c(CH3COOH) >c(CH3COO) > c(H+)>c(Na+) >c(OH)

答案

D

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