Answered: A 1.787 g sample containing some Fe2+…

A 1.787 g sample containing some Fe2+ ion requires 31.50 ml of a 0.02188 M KMnO4 solution to reach a pink endpoint. What is the percent by mass of Fe2+ in the sample?

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter7: Solutions And Colloids

Section: Chapter Questions

Problem 7.41E

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A 1.787 g sample containing some Fe2+ ion requires 31.50 ml of a 0.02188 M KMnO4
solution to reach a pink endpoint. What is the percent by mass of Fe2+ in the sample?

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