题目内容
|
有4种混合溶液,分别由等体积0.1 mol/L的2种溶液混合而成: ①CH3COONa与HCl; ②CH3COONa与NaOH; ③CH3COONa与NaCl; ④CH3COONa与NaHCO3,下列各项排序正确的是 | |
| [ ] | |
A. |
pH:②>③>④>① |
B. |
c (CH3COO一):②>④>③>① |
C. |
溶液中c(H+):①>③>②>④ |
D. |
c (CH3COOH):①>④>③>② |
答案:B
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