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A 0.8040-g sample of an iron ore is dissolved in acid. The iron is then reduced to Fe²+ and titrated with 47.22 mL of 0.02242 M KMnO4 solution. Calculate the results of this analysis in terms of (a) % Fe (55.847 g/mol) and (b) % Fe3O4 (231.54 g/mol).

A 0.8040-g sample of an iron ore is dissolved in acid. The iron is then reduced to Fe²+ and titrated with 47.22 mL of 0.02242 M KMnO4 solution. Calculate the results of this analysis in terms of (a) % Fe (55.847 g/mol) and (b) % Fe3O4 (231.54 g/mol).

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter22: The Chemistry Of The Transistion Elements
Section22.6: Colors Of Coordination Compounds
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A 0.8040-g sample of an iron ore is dissolved in acid. The iron is then reduced to Fe²+ and titrated with 47.22 mL of 0.02242 M KMnO4 solution. Calculate the results of this analysis in terms of (a) % Fe (55.847 g/mol) and (b) % Fe3O4 (231.54 g/mol).
Transcribed Image Text:A 0.8040-g sample of an iron ore is dissolved in acid. The iron is then reduced to Fe²+ and titrated with 47.22 mL of 0.02242 M KMnO4 solution. Calculate the results of this analysis in terms of (a) % Fe (55.847 g/mol) and (b) % Fe3O4 (231.54 g/mol).
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