2MO4n的知识精选

已知2MO4n-+5S2-+16H+=2M2++5S↓+8H2O,则MO4n-中M的化合价为(  )A.+3 ...
问题详情:已知2MO4n-+5S2-+16H+=2M2++5S↓+8H2O,则MO4n-中M的化合价为(  )A.+3                        B.+4                        C.+6                ...
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