Решение задачи по химии раздел 7 пункт 71

71. In the electrolysis of solutions of MgSO4 and ZnCl2, connected in series with a current source, one of the cathodes was allocated 0.25 g of hydrogen. What is the mass of the substance to stand out on the other cathode; at the anodes?

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)