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A student performed titration of an unknown reducing substance (molar mass 200. g/mol) in a sample using potassium permanganate solution as titrant. The concentration of potassium permanganate solution is 0.1900 M. The volume of sample solution is 25.00 mL. The density of this sample solution is 1.091 g/mL. The concentration of sample solution (m/m%) is 4.67%.   The titration consumed 6.02 mL of potassium permanganate solution to reach the endpoint (light pink). Determine the mole ratio between permanganate and the unknown substance in the sample (molKMnO4 / molunknown)

A student performed titration of an unknown reducing substance (molar mass 200. g/mol) in a sample using potassium permanganate solution as titrant. The concentration of potassium permanganate solution is 0.1900 M. The volume of sample solution is 25.00 mL. The density of this sample solution is 1.091 g/mL. The concentration of sample solution (m/m%) is 4.67%.   The titration consumed 6.02 mL of potassium permanganate solution to reach the endpoint (light pink). Determine the mole ratio between permanganate and the unknown substance in the sample (molKMnO4 / molunknown)

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
Chapter17: Solubility And Complex-ion Equilibria
Section: Chapter Questions
Problem 17.15QP: Solubility and Solubility Product You put 0.10-mol samples of KNO3, (NH4)2S, K2S, MnS, AgCl, and...
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A student performed titration of an unknown reducing substance (molar mass 200. g/mol) in a sample using potassium permanganate solution as titrant. The concentration of potassium permanganate solution is 0.1900 M. The volume of sample solution is 25.00 mL. The density of this sample solution is 1.091 g/mL. The concentration of sample solution (m/m%) is 4.67%.

 

The titration consumed 6.02 mL of potassium permanganate solution to reach the endpoint (light pink). Determine the mole ratio between permanganate and the unknown substance in the sample (molKMnO4 / molunknown)

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