下列可以大量共存且溶液是无色的离子组是(    ) A.H+,Na+,NO3

下列可以大量共存且溶液是无色的离子组是(   

AH+Na+NO3MnO4                           BFe2+Mg2+ClSO42

CH+K+OHNO3                              DNO3SO42K+Mg2+

答案

D

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