有4种混合溶液，分别由等体积0.1mol/L的2种溶液混合而成：①CH3COONa与HCl；②CH3COONa与NaOH③CH3COONa与NaCl④CH3COONa与NaHCO3
下列各项排序正确的是
| A．pH：②>③>④>① | B．c(CH3COO-)：②>④>③>① |
| C．溶液中c(H+)：①>③>②>④ | D．c(CH3COOH)：①>④>③>② |
相关试题
All the dishes in this menu, ______ otherwise stated, will serve two to three people. 
| A．as | B．if | C．though | D．unless |
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