Samples containing oxalate ion can be titrated with solutions containing permanganate ion under acidic conditions 2MnO4− + 5C2O42- + 16H+ → 2Mn2+ + 10CO2 + 8H2O If 0.720 g of unknown sample containing potassium oxalate (K2C2O4) is dissolved and it requires 31.7 mL of 0.0314 M KMnO4 solution to titrate it, what is the percent potassium oxalate in the sample?

From the given reaction we can see that, 2 moles of KMnO4 ( or MnO4-) will react with 5 moles of…

Answered: Samples containing oxalate ion can be…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Samples containing oxalate ion can be titrated with solutions containing permanganate ion under acidic conditions

2MnO₄⁻ + 5C₂O₄^2- + 16H⁺ → 2Mn²⁺ + 10CO₂ + 8H₂O

If 0.720 g of unknown sample containing potassium oxalate (K₂C₂O₄) is dissolved and it requires 31.7 mL of 0.0314 M KMnO₄ solution to titrate it, what is the percent potassium oxalate in the sample?

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