6. After participating in a geological expedition, Engr. Yuga was tasked with analyzing an ore sample they've collected. 0.42 g of the ore sample was treated with 42 mL of 0.1 N Potassium permanganate to oxidize the ferrous ions present. [a.] How many milliequivalents of the titrant were necessary to completely oxidize the ferrous ions? [b.] Prior to adding the permanganate titrant, how much equivalents of iron, in the form of ferrous irons, were originally present in the sample? [c.] Based on Engr. Yuga's experiment, what is the iron composition of the ore sample in terms of %weight?

6. After participating in a geological expedition, Engr. Yuga was tasked with analyzing an ore sample they've collected. 0.42 g of the ore sample was treated with 42 mL of 0.1 N Potassium permanganate to oxidize the ferrous ions present. [a.] How many milliequivalents of the titrant were necessary to completely oxidize the ferrous ions? [b.] Prior to adding the permanganate titrant, how much equivalents of iron, in the form of ferrous irons, were originally present in the sample? [c.] Based on Engr. Yuga's experiment, what is the iron composition of the ore sample in terms of %weight?

Chemistry: Principles and Reactions

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ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter4: Reactions In Aqueous Solution

Section: Chapter Questions

Problem 58QAP: The iron content of hemoglobin is determined by destroying the hemoglobin molecule and producing...

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Question

6. After participating in a geological expedition, Engr. Yuga was tasked with analyzing an
ore sample they've collected. 0.42 g of the ore sample was treated with 42 mL of 0.1 N
Potassium permanganate to oxidize the ferrous ions present.
[a.] How many milliequivalents of the titrant were necessary to completely oxidize the
ferrous ions?
[b.] Prior to adding the permanganate titrant, how much equivalents of iron, in the form of
ferrous irons, were originally present in the sample?
[c] Based on Engr. Yuga's experiment, what is the iron composition of the ore sample in
terms of %weight?
[d.] What is the concentration of the permanganate titrant in terms of grams per liter?

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