What are the primary standard substances used in the adjustment of thiosulfate solutions? b.) When should starch indicator be added in iodometric titration? Explain why. c.) Since 31.4 mL of 0.10 N Na2S2O3 solution is consumed in the iodometric determination of copper at a weight of 2,000 g taken
What are the primary standard substances used in the adjustment of thiosulfate solutions? b.) When should starch indicator be added in iodometric titration? Explain why. c.) Since 31.4 mL of 0.10 N Na2S2O3 solution is consumed in the iodometric determination of copper at a weight of 2,000 g taken
Chemistry
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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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a.) What are the primary standard substances used in the adjustment of thiosulfate solutions?
b.) When should starch indicator be added in iodometric titration? Explain why.
c.) Since 31.4 mL of 0.10 N Na2S2O3 solution is consumed in the iodometric determination of copper at a weight of 2,000 g taken from a copper-containing material, find the percentage of copper in the sample (Cu: 63.5 gmol-1).
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