1.
(2024高二上·武汉期末)
25℃时,用0.1000mol/L NaOH溶液滴定20.00mL 0.1000mol/L CH3COOH溶液所得滴定曲线如图.下列叙述正确的是( )
A . 点①所示溶液:c(CH3COO﹣)+c(CH3COOH)=c(Na+)
B . 点②所示溶液:c(Na+)=c(CH3COO﹣)>c(H+)=c(OH﹣)
C . 点③所示溶液:c(Na+)>c(OH﹣)>c(CH3COO﹣)>c(H+)
D . 滴定终点时:c(CH3COOH)+c(CH3COO﹣)=c(Na+)