6. Chemical Quantities & Aqueous Reactions
Solution Stoichiometry
4:50 minutes
Problem 146
Textbook Question
Textbook QuestionIron content in ores can be determined by a redox procedure in which the sample is first reduced with Sn2+, as in Problem 4.130, and then titrated with KMnO4 to oxidize the Fe2+ to Fe3+. The balanced equation is What is the mass percent Fe in a 2.368 g sample if 48.39 mL of a 0.1116 M KMnO4 solution is needed to titrate the Fe3 + ?
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