1.

To reduce 1 mol MnO_(4)^(-1) into Mn^(2+), how much coulomb electricity is required ?

Answer»

96500 C
`1.93xx10^(5)C`
`4.83xx10^(5)C`
`9.65xx10^(6)C`

Solution :`UNDERSET(+7)(MnO_(4)^(-))+5E^(-) to underset(+2)(Mn^(2+))=5xx96500=4.825xx10^(5)C`


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