6.43. From a sample of technical sodium sulfide weighing 0.3000 g, after oxidation of the sulfide to sulfate, 0.8250 g of BaSO4 was obtained. Calculate the mass fraction (%) of sulfur in the test sample and compare it with the theoretical one.

Read the product description. After payment, the system will redirect you to a page with a ready-made solution to problem 6.43 from the collection: Vasilyev V.P. Analytical chemistry. Collection of questions, exercises and tasks: a manual for universities / V.P. Vasiliev, L.A. Kochergina, T.D. Orlova; edited by V.P. Vasilyeva. – 4th ed., stereotype. – M.: Bustard, 2006. – 318, [2] p.: ill. The solution is a document formatted in MS Word.
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