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During electrolytes 40 mA current is pas...

During electrolytes 40 mA current is passed through 100 mL of 0.2 M `Fe^(2)(SO_(4))_(3)` solution for certain time. If 30 mL of 0.01 M `KMnO_94)` is decolourised by solutions in cell then find time of electrolysis in hours.
(Given: F= 96000C)

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