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A current of 5.0 A flows for 4.0 h throu...

A current of 5.0 A flows for 4.0 h through an electrolytic cell containing a molten slat of metal M. This result in deposition of 0.25 mol of the metal M at the cathode. The oxidation state of M in the molten salt is `+x`. The value of 'x' is (1 Faraday = 96000 C `mol^(-1)`) 3

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