1.
(2015高二上·丹东月考)
常温下,用 0.1000mol•L﹣1NaOH溶液滴定 20.00mL0.1000mol•L﹣1CH3COOH溶液所得滴定曲线如图.下列说法正确的是( )
A . 点①所示溶液中:c(CH3COO﹣)+c(OH﹣)=c(CH3COOH)+c(H+)
B . 点②所示溶液中:c(Na+)=c(CH3COOH)+c(CH3COO﹣)
C . 点③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﹣)