In the analysis of 1.500 g sample of feldspar, a mixture of the chlorides of sodium and potassium chloride is obtained which weighs 0.3450 g. Subsequent treatment with AgNO3 furnishes 0.7353 g of AgCl. What is the percentage of Na2O and K2O in the sample?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds
Section20.3: Copper: A Coinage Metal
Problem 20.4E
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In the analysis of 1.500 g sample of feldspar, a mixture of the chlorides of sodium and potassium chloride is obtained which weighs 0.3450 g. Subsequent treatment with AgNO3 furnishes 0.7353 g of AgCl. What is the percentage of Na2O and K2O in the sample? Solve using gravimetric analysis and show the complete solution.

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