The amount of iron in a meteorite was determined by a redox titration using KMnO4 as the titrant. A 0.4185 -g sample was dissolved in acid and the liberated Fe3+ quantitatively reduced to Fe2+, using a reductor column. Titrating with 0.0044 M KMnO4 requires 28.76 mL to reach the end point. Determine the %w/w Fe2O3 in the sample of meteorite. (Fe = 55.845 amu, Fe2O3 = 159.69 g/mol

Redox titration involves the determination of concentration of a given analyte by using the concept…

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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

Section: Chapter Questions

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

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The amount of iron in a meteorite was determined by a redox titration using KMnO₄ as the titrant. A 0.4185 -g sample was dissolved in acid and the liberated Fe³⁺ quantitatively reduced to Fe²⁺, using a reductor column. Titrating with 0.0044 M KMnO₄ requires 28.76 mL to reach the end point. Determine the %w/w Fe₂O₃ in the sample of meteorite. (Fe = 55.845 amu, Fe₂O₃= 159.69 g/mol

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