1.
(2015高二上·兰考期末)
常温下,将0.2mol•L﹣1 CH3COOK 与0.1mol•L﹣1盐酸等体积混合后,溶液的pH<7,则溶液中下列微粒的物质的量浓度的关系正确的是( )
A . c(CH3COO﹣)=c(Cl﹣)=c(H+)>c(CH3COOH)
B . c(CH3COO﹣)=c(Cl﹣)>c(CH3COOH)>c(H+)
C . c(CH3COO﹣)>c(Cl﹣)>c(H+)>c(CH3COOH)
D . c(CH3COO﹣)>c(Cl﹣)>c(CH3COOH)>c(H+)