In determining the manganese dioxide content of a pyrolusite mineral. A sample of 0.5261 g of pyrolusite was treated with 0.7149 g of 97.98% sodium oxalate in an acid medium. After the reaction was complete, 30.47 mL of a 0.02160 M potassium permanganate solution was required to titrate for excess unreacted oxalic acid. Calculate the percentage of manganese dioxide in the pyrolusite.
In determining the manganese dioxide content of a pyrolusite mineral. A sample of 0.5261 g of pyrolusite was treated with 0.7149 g of 97.98% sodium oxalate in an acid medium. After the reaction was complete, 30.47 mL of a 0.02160 M potassium permanganate solution was required to titrate for excess unreacted oxalic acid. Calculate the percentage of manganese dioxide in the pyrolusite.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter21: Chemistry Of The Nonmetals
Section: Chapter Questions
Problem 73QAP: The amount of sodium hypochlorite in a bleach solution can be determined by using a given volume of...
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In determining the manganese dioxide content of a pyrolusite mineral. A sample of 0.5261 g of pyrolusite was treated with 0.7149 g of 97.98% sodium oxalate in an acid medium. After the reaction was complete, 30.47 mL of a 0.02160 M potassium permanganate solution was required to titrate for excess unreacted oxalic acid. Calculate the percentage of manganese dioxide in the pyrolusite.
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