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The selectivity coefficient, Kg-je, for a K* ion-selective electrode is 0.00348. When the electrode is placed into a 3.69 x 10- M K* solution at pH 6.77, the potential is --0.150 V vs. SCE. If the pH of the solution is lowered to 1.34 and the ionic strength is kept constant, what is the potential of the electrode? Assume = 1 for the electrode. E = V vs. SCE

The selectivity coefficient, Kg-je, for a K* ion-selective electrode is 0.00348. When the electrode is placed into a 3.69 x 10- M K* solution at pH 6.77, the potential is --0.150 V vs. SCE. If the pH of the solution is lowered to 1.34 and the ionic strength is kept constant, what is the potential of the electrode? Assume = 1 for the electrode. E = V vs. SCE

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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The selectivity coefficient, Kg-r, for a K ion-selective electrode is 0.00348. When the electrode is placed into a 8.69 x 10-5 M K* solution at pH 6.77, the potential is -0.150 V vs. SCE. If the pH of the solution is lowered to 1.34 and the ionic strength is kept constant, what is the potential of the electrode? Assume 8 = 1 for the electrode. E = V vs. SCE
Transcribed Image Text:The selectivity coefficient, Kg-r, for a K ion-selective electrode is 0.00348. When the electrode is placed into a 8.69 x 10-5 M K* solution at pH 6.77, the potential is -0.150 V vs. SCE. If the pH of the solution is lowered to 1.34 and the ionic strength is kept constant, what is the potential of the electrode? Assume 8 = 1 for the electrode. E = V vs. SCE
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