9. Решение задачи по химии №000 978

4. How many percent of copper is in bronze if its weight is 1.5000 g; after dissolution, the solution was transferred to a volumetric flask and diluted with water to 300 ml; when an excess of KI is added to 50.00 ml of this solution, 34.53 ml of a Na2S2O3 solution with T = 0.02456 g/ml is used to titrate the released iodine.

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