0731. Решение задачки по химии

3. A solution of silver nitrate weighing 425 g and concentration 8% was subjected to electrolysis. The process was stopped when, as a result, 13.44 liters of gas were released at the cathode. After this, 210 g of KOH solution with a concentration of 15% was added to the resulting solution. Determine the concentrations of substances in the final solution

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