116. Задачка по химии №011 682

Calculate the volume of a 0.01 mol/l solution of cerium (IV) sulfate, which should be consumed in the quantitative determination of tocopherol acetate (M.m. 472.8). For analysis, 20 ml of a solution obtained by diluting a sample of 0.12 g of the drug in a volumetric flask with a capacity of 50 ml was taken. The content of tocopherol in the preparation is 95%.

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