48. Решение задачи по химии №004 828

2. In the gravimetric determination of sulfur in the form of barium sulfate BaSO4, the mass of the gravimetric form - barium sulfate - was found to be 0.4540 g. The mass of the initial sample of the analyzed sample is 0.7245 g. Calculate the mass fraction (%) of sulfur in the analyzed sample.

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