31. Решение задачки по химии №0212150050

2. 200.0 ml of a solution containing MgCl2, obtained by dissolving 2.0000 g of a technical sample, was passed through a column with a cation exchanger in the H form. To neutralize the acid in each 20.00 ml portion of the eluate, 15.00 ml of 0.1 M KOH solution was spent. Determine the mass fraction of MgCl2 in the sample.

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