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A sample of MnSO(4). 4H(2)O is strongly ...

A sample of `MnSO_(4). 4H_(2)O` is strongly heated in air. The residue `( Mn_(3)O_(4))` left was dissolved in `100 mL` of `0.1NFeSO_94)` containing dil. `H_(2)SO_(4)`. This solution was completely reacted with `50 mL` of `KMnO_(4)` solution. `25 mL` of this `KMnO_(4)` solution was completely reduced by `30 mL` of `0.1N FeSO_(4)` solution. Calculate the amount of `MnSO_(4).4H_(2)O` in sample.

Text Solution

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The correct Answer is:
`1.338` gm
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