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A sample of pyrolusite weighing 0.6000 g is dissolved in a solution containing 5.00 mL of 6.00 N H2SO4 and 0.900 g of H2C2O4.2H2O. The excess oxalate then requires 24.00 mL of KMnO4 solution for titration. If each mL of the KMnO4 will oxidize the Fe(II) in 0.03058 g FeSO4.7H2O, what is the oxidizing power of the sample in terms of MnO2?

A sample of pyrolusite weighing 0.6000 g is dissolved in a solution containing 5.00 mL of 6.00 N H2SO4 and 0.900 g of H2C2O4.2H2O. The excess oxalate then requires 24.00 mL of KMnO4 solution for titration. If each mL of the KMnO4 will oxidize the Fe(II) in 0.03058 g FeSO4.7H2O, what is the oxidizing power of the sample in terms of MnO2?

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter19: Transition Metals And Coordination Chemistry
Section: Chapter Questions
Problem 22E: Balance the following equations by oxidation-reduction methods; note that three elements change...
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A sample of pyrolusite weighing 0.6000 g is dissolved in a solution containing 5.00
mL of 6.00 N H2SO4 and 0.900 g of H2C2O4.2H2O. The excess oxalate then requires
24.00 mL of KMnO4 solution for titration. If each mL of the KMnO4 will oxidize the Fe(II)
in 0.03058 g FeSO4.7H2O, what is the oxidizing power of the sample in terms of MnO2?
84.33%

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