99. Решение задачки по химии №111

1. A sample of a non-ferrous alloy weighing 1.621 g was dissolved and by electrolysis at a constant current I = 0.18 A in 38 minutes, copper was completely isolated at the cathode and lead in the form of lead dioxide at the anode. Determine the mass fraction of copper and lead in the alloy if the current efficiency was 98%.

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