31. Solution to Chemistry Problem

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31. Solution to Chemistry Problem

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4. From the initial sample of 0.4768 g of the substance, a mixture of potassium and sodium sulfates was isolated during the analysis, the mass of which was 0.1744 g. After precipitation of the sulfate ions of the mixture with a solution of barium chloride, a precipitate of barium sulfate with a mass of 0.2638 g was obtained. Calculate the mass fraction of K2O and Na2O in the initial sample of the substance.

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Price: $1.35
Seller: Derkach
Category: Chemistry
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