下列溶液中各微粒的浓度关系不正确的是          (    )  

下列溶液中各微粒的浓度关系不正确的是          (    )

    A.0.1mol·L-1HCOOH溶液中:c(HCOO-)=c(H+)·c(OH-

    B.1L0.1mol·L-lCuSO4·(NH42SO4·6H2O的溶液中:

        c(SO2-4)>c(NH+4)>c(Cu2+)>c(H+)>c(OH-)

    C.0.l mol.L-1NaHCO3溶液中: 

c(Na+)+c(H+)+c(H2CO3)=c(HCO-3)+c(CO2-3)+c(OH-

    D.等体积、等物质的量浓度的NaX和弱酸HX混合后的溶液中:

        c(Na+)>c(HX)>c(X-)>c(H+)>(OH-

答案

CD


解析:

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