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General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter4: Chemical Reactions
Section: Chapter Questions
Problem 4.94QP
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Step by step please. also have to answer A-D
8-A sample of an iron ore is dissolved in acid, and the iron is converted to Fe*2. The sample is then titrated with 47.20 mL of 0.02240 M MnO4 solution. The oxidation-reduction reaction that occurs during titration is: 8H*(aq) + MnO4 (aq) + 5Fe*2(aq) → Mn*2(aq) + 5Fe*(aq) + H20(1) A. How many moles of permanganate ion were added to the solution? B. How many moles of iron(II) ion were in the sample? C. How many grams of iron were in the sample? D. If the sample had a mass of 0.8890 g, what is the percentage of iron in the sample?
Transcribed Image Text:8-A sample of an iron ore is dissolved in acid, and the iron is converted to Fe*2. The sample is then titrated with 47.20 mL of 0.02240 M MnO4 solution. The oxidation-reduction reaction that occurs during titration is: 8H*(aq) + MnO4 (aq) + 5Fe*2(aq) → Mn*2(aq) + 5Fe*(aq) + H20(1) A. How many moles of permanganate ion were added to the solution? B. How many moles of iron(II) ion were in the sample? C. How many grams of iron were in the sample? D. If the sample had a mass of 0.8890 g, what is the percentage of iron in the sample?
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