下列溶液中各微粒的浓度关系正确的是:
A.pH=x的氨水与pH=y的盐酸等体积混合所得溶液中(已知x+y=14): C(Cl_) > C(NH4+) > C(H+) > C(OH_) |
B.0.1mol/LKHC2O4溶液中:C(K+)+C(H+)=C(HC2O4_)+C(OH_)+C(C2O42_) |
C.1L0.1mol/LCuSO4·(NH4)2SO4·6H2O的溶液中: C(SO42_) >C(NH4+) >C(Cu2+) >C(H+) >C(OH_) |
D.0.1mol/LNa2HPO4的溶液中:C(OH_)=C(H+)+C(H2PO4_)+2C(H3PO4) |