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: ①CH3COON与HCl②CH3COONa与NaOH ③H3COONa与NaCl ④H3COONa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 |
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: ①CH3COON与HCl②CH3COONa与NaOH ③H3COONa与NaCl ④H3COONa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 |