3.
Cathodic reduction of potassium permanganate produced p1 gram of manganese sulfate, p2 gram of metallic manganese, and V liters of hydrogen.
Determine the current output of each product, if during the electrolysis at the cathode of a copper coulometer, p3 grams of copper was released.
3 9 p1, r= 19.7 p2, r= 0.56 p3, r=32.44 V, l= 3.22

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