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 Fe+ ions. This solution is then titrated with KM2O4 solution, producing Fe* and Mn²+ ions in acidic solution. If it required 42.41 mL o 0.0452 M KMNO4 to titrate a solution made from 1.236 g of iron ore, what is the mass percent of iron in the iron ore? Mass percent

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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 Fe+ ions. This solution is then titrated with KMNO4 solution, producing Fe* and Mn2+ ions in acidic solution. If it required 42.41 mL of
0.0452 M KMNO4 to titrate a solution made from 1.236 g of iron ore, what is the mass percent of iron in the iron ore?
Mass percent =
%
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 Fe+ ions. This solution is then titrated with KMNO4 solution, producing Fe* and Mn2+ ions in acidic solution. If it required 42.41 mL of 0.0452 M KMNO4 to titrate a solution made from 1.236 g of iron ore, what is the mass percent of iron in the iron ore? Mass percent = %
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