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Question- In a dry cell, MnO2 occurs in a semisolid electrolyte paste and is reduced at the cathode. The MnO2 used in dry cells can itself be produced by an electrochemical process of which one half-reaction is shown below.

Mn2+(aq) + 2 H2O(l) MnO2(s) + 4 H+(aq) + 2 e -

If a current of 39.0 A is used, how many hours are needed to produce 1.50 kg of MnO2?

Any expert will able to provide correct answer for the above question.

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