Васильев Глава 6 Задача 63

6.63. From a sample of technical zinc sulfate weighing 1.135 g, the following precipitates were obtained: 0.5298 g of Zn2P2O7 and 0.9052 g of BaSO4. Calculate the mass fractions (%) of ZnSO4 and K2SO4 in the technical product.

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