25℃把 0.02mol/LCH
3COOH溶液和0.01mol/LKOH溶液以等体积混和,则混合液中微粒浓度关系正确的为:(已知25℃:CH
3COOH电离常数是1.76×10
﹣5 , CH
3COO
﹣水解常数是5.78×10
﹣10;体积变化忽略不计;)( )
- A、c (K+)>c (CH3COO﹣)>c(H+)>c (OH﹣)
- B、c(K+)=c (CH3COO﹣)>c (OH﹣)=c (H+)
- C、c(K+)+c (H+)═c(CH3COOH)+c (OH﹣)
- D、c (CH3COOH)+c (CH3COO﹣)=0.01mol/L