6.49. From a sample of phosphorite weighing 0.2350 g, 0.2711 g of CaSO4 and 0.1693 g of Mg2P2O7 were obtained. Calculate the mass fraction (%) of CaO and P2O5 in phosphorite. Recalculate the analysis results to an absolutely dry substance if the phosphorite contains 5.42% moisture.

Read the product description. After payment, the system will redirect you to a page with a ready-made solution to problem 6.49 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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