37. Решение задачи по химии №003 767

230. 7 ml of sodium sulfate solution was passed through a column filled with an anion exchange resin weighing 25 g. The eluate with a volume of 140 ml, together with washing distilled water, was collected in a beaker and titrated potentiometrically with a 0.12 N acid solution. The titration took 5.2 ml of acid solution. Determine the capacity of the anion exchange resin for sulfate ions and the mass of anhydrous sodium sulfate in the original flask.

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