91 Решение задачки по химии №09 467

6. When analyzing cobalt-containing drug coamide, its sample weighing 1.5000 g was placed in the anode space of the coulometric cell and Co2 was oxidized to Co3 at a constant potential. In this case, 0.0755 g of silver stood out in a silver coulometer. Calculate the mass fraction of cobalt in the analyzed preparation.

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