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A solution containing Mg2+ was buffered to pH 9.97 and titrated with EDTA. Eriochrome black T, with pKal = 6.3 and pKa2 = 11.6 was used as the indicator. It %3D is a diprotic acid, H2E What is the fraction of the predominant form of eriochrome black T in solution at this pH? (To answer this, report the alpha fraction of the indicator's most prevalent species at this pH) Review text sections 10.4 and 10.5 for help with this!

A solution containing Mg2+ was buffered to pH 9.97 and titrated with EDTA. Eriochrome black T, with pKal = 6.3 and pKa2 = 11.6 was used as the indicator. It %3D is a diprotic acid, H2E What is the fraction of the predominant form of eriochrome black T in solution at this pH? (To answer this, report the alpha fraction of the indicator's most prevalent species at this pH) Review text sections 10.4 and 10.5 for help with this!

Chemistry
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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A solution containing Mg2+ was buffered to pH 9.97 and titrated with EDTA. Eriochrome black T, with pKal = 6.3 and pKa2 = 11.6 was used as the indicator. It %3D is a diprotic acid, H2E What is the fraction of the predominant form of eriochrome black T in solution at this pH? (To answer this, report the alpha fraction of the indicator's most prevalent species at this pH) Review text sections 10.4 and 10.5 for help with this!
Transcribed Image Text:A solution containing Mg2+ was buffered to pH 9.97 and titrated with EDTA. Eriochrome black T, with pKal = 6.3 and pKa2 = 11.6 was used as the indicator. It %3D is a diprotic acid, H2E What is the fraction of the predominant form of eriochrome black T in solution at this pH? (To answer this, report the alpha fraction of the indicator's most prevalent species at this pH) Review text sections 10.4 and 10.5 for help with this!
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