61 Решение задачи по химии №006 100

2. Determine the mass fraction (%) of aluminum in the alloy, if after dissolving a sample weighing 0.6500 g and removing interfering elements, the volume of the solution was brought to 250.0 ml, Na2MgEDTA was added to 20.0 ml of this solution and 15.18 ml was titrated 0.05023 M EDTA.

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