58. Решение задачи по химии №22

2. A 0.6230 g sample of magnesium chloride was dissolved in a 250 ml volumetric flask. 20.60 ml of 0.02010 M EDTA solution were used to titrate a 25 ml aliquot of this solution. Calculate the mass fraction (%) of MgCl2 in the salt sample being studied.

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