A sample of steel weighing 2.00 g is analyzed for Cr (AW 52.0). The Cr is oxidized into chromate with alkaline permanganate and the excess permanganate is destroyed. A certain volume of 0.120 M FeSO, is added to the acid solution and the excess is titrated with 0.0220 M KMNO4, requiring 31.0 mL. If the sample contained 0.50 % Cr, what volume (in mL) of FeSO, was added?

A sample of steel weighing 2.00 g is analyzed for Cr (AW 52.0). The Cr is oxidized into chromate with alkaline permanganate and the excess permanganate is destroyed. A certain volume of 0.120 M FeSO, is added to the acid solution and the excess is titrated with 0.0220 M KMNO4, requiring 31.0 mL. If the sample contained 0.50 % Cr, what volume (in mL) of FeSO, was added?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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