89. Solving a chemistry problem

89. Solving a chemistry problem

For t minutes of the process, the coated part with the working surface S dm2 increased in mass by p1 grams, during this time p2 grams of copper was restored on the cathode of the copper coulometer. Calculate the current efficiency of the metal, %, the average coating thickness (µm), the average cathode current density of the coating (A/dm2).
2 16 Cd t, min= 17.5 S, dm2= 3.57 p1, g = 3.7 p2, g= 2.62 d kg/dm3=8.62

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