The iron content of iron ore can be determined by titration with a standard KMNO4 solution. The iron ore is dissolved in HCl, and all the iron is reduced to Fe2+ ions. This solution is then titrated with KMNO4 solution, producing Fet and Mn2+ ions in acidic solution. If it required 43.89 mL of 0.0422 M KMNO4 to titrate a solution made from 0.9632 g of iron ore, what is the mass percent of iron in the iron ore? Mass percent = 34.62

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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The iron content of iron ore can be determined by titration with a standard KMnO₄ solution. The iron ore is dissolved in HCl, and all the iron is reduced to Fe²⁺ ions. This solution is then titrated with KMnO₄ solution, producing Fe³⁺ and Mn²⁺ ions in acidic solution. If it required 43.89 mL of 0.0422 M KMnO₄ to titrate a solution made from 0.9632 g of iron ore, what is the mass percent of iron in the iron ore?

Mass percent = 34.62%
Transcribed Image Text:The iron content of iron ore can be determined by titration with a standard KMnO₄ solution. The iron ore is dissolved in HCl, and all the iron is reduced to Fe²⁺ ions. This solution is then titrated with KMnO₄ solution, producing Fe³⁺ and Mn²⁺ ions in acidic solution. If it required 43.89 mL of 0.0422 M KMnO₄ to titrate a solution made from 0.9632 g of iron ore, what is the mass percent of iron in the iron ore? Mass percent = 34.62%
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