常温下,用 0.1000mol•L
﹣1NaOH溶液滴定 20.00mL0.1000mol•L
﹣1CH
3COOH溶液所得滴定曲线如图.下列说法正确的是( )
![](http://tikupic.21cnjy.com/c4/5d/c45de6f903d9f5863beee56a7eee0dec.png)
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﹣)