91. Solving a chemistry problem

91. Solving a chemistry problem

Determine the metal released on the cathode during the electrolysis of an aqueous solution of its nitrate, if the mass of the released metal m, the current strength I, the process time τ and the cathode current efficiency coefficient β are known. Write the equations of electrode processes and the total reaction of electrolysis
m, g - 15.9
I, A-7
τ, h – 4
β, % - 88

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