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When a equimolar mixture of Cu2S and ...

When a equimolar mixture of `Cu_2S` and CuS is titrated with `Ba(MnO_4)_2` in acidic medium, the final product contains `Cu^(2+)S0_2` and `Mn^(2+)`. If the mol. wt. of `Cu_2S,CuS` and `Ba(MnO_4)_2` are `M_1 M_2` and `M_3` respectively then:

A

eq. wt of `Cu_2S` is `M_1/8`

B

eq. wt od CuS is `M_2/6`

C

eq. wt. of `Ba(MnO_4)_2` is `M_3/5`

D

`Cu_2S` nad CuS both have same equivalents in mixture

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