79 Решение задачки по химии №07 918

1. To determine the aluminum content in the sample, a 550 mg portion of it was dissolved and 50.0 ml of a 0.0510 M complexone III solution was added. The excess of the latter was titrated with 14.4 ml of 0.0480 M solution of zinc (II). Calculate the mass fraction of aluminum in the sample.

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