23. Решение задачки по химии №24

4.20 A bronze coating 15 µm thick contains 15% tin and 85% copper. The cathode current density is 3.0, the current efficiency is 68%. The density of the bronze deposit is 8.89 g/cm3. What is the required duration of the bronzing process? In a solution of Cu1+, Sn4+.

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