Sodium oxalate, Na 2 C 2 O 4 , in solution is oxidized to CO 2 (
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Sodium oxalate, Na2C2O4, in solution is oxidized to CO2( g) by MnO4¯, which is reduced to Mn2+. A 50.1-mL volume of a solution of MnO4¯ is required to titrate a 0.339-g sample of sodium oxalate. This solution of MnO4¯ is used to analyze uraniumcontaining samples. A 4.62-g sample of a uranium-containing material requires 32.5 mL of the solution for titration. The oxidation of the uranium can be represented by the change UO2+ → UO2 2+. Calculate the percentage of uranium in the sample.
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