1. Iron obtained in the process of electrolysis of a solution of Fe2 (SO4) 3 was dissolved in 30% hydrochloric acid. Calculate the mass of hydrochloric acid that went into the reaction. The electrolysis was carried out for 0.5 hour with a current of 10 A. Write the equations for the anode and cathode processes, as well as the total electrolysis equation.

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