A.1:1:108:108 | B.108:108:1:106 |
C.108: 5×107:1:106 | D.1:2:108:108 |
A.11∶1 | B.9∶1 | C.1∶11 | D.1∶9 |
A.[Na+]>[Cl-]>[OH-]>[H+] |
B.[Na+]=[Cl-]>[H+]>[OH-] |
C.[Na+]=[Cl-]>[OH-]>[H+] |
D.[Cl-]>[Na+]>[OH-]>[H+] |
A.0.1mol/L的NH4C1溶液中c(NH4+)=c(C1-) |
B.同为0.1mol/L的甲酸和氢氧化钠溶液等体积混合后,溶液中c(OH-)=c(H+) |
C.向NH4C1溶液中滴加氨水至pH=7时,c(NH4+)<c(C1-) |
D.pH=3的H2SO4和pH=11的NaOH溶液等体积混合后,溶液中c(OH-)=c(H+) |
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