11. Решение задачки по химии №118

6. Describe the processes occurring during the electrolysis of an aqueous solution of potassium hydroxide (pH=10) on carbon electrodes. Determine the mass of the substance (for a gas – the volume) that is released at the cathode when a current of 2.5 A is passed for 20 hours, if the efficiency of the electrolyzer is 90%.

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