So for the question below, I have the answer worked out from class but I don't understand certain steps. For example, why does KiCi+KaCa / KaCa = 4.50 become KiCi/KaCa + KaCa/KaCa = 4.50 ? Where does the second KaCa come from? Next, you cancel values and get 1 + Ka,i(Ci/Ca) = 4.50 -- in this step where does the one come from? Glutathione is an important antioxidant found in plants and animals. You are measuring glutathione in blood, but the analysis is complicated by many potential interferents including ascorbic acid. In one of your studies, you analyze a solution of 10.0 ppb glutathione and 1.5 ppb ascorbic acid, the signal was 4.50 times greater than the signal you measured for sample containing only 10.0 ppb glutathione. What is the selectivity coefficient for this analysis?
So for the question below, I have the answer worked out from class but I don't understand certain steps. For example, why does KiCi+KaCa / KaCa = 4.50 become KiCi/KaCa + KaCa/KaCa = 4.50 ? Where does the second KaCa come from? Next, you cancel values and get 1 + Ka,i(Ci/Ca) = 4.50 -- in this step where does the one come from? Glutathione is an important antioxidant found in plants and animals. You are measuring glutathione in blood, but the analysis is complicated by many potential interferents including ascorbic acid. In one of your studies, you analyze a solution of 10.0 ppb glutathione and 1.5 ppb ascorbic acid, the signal was 4.50 times greater than the signal you measured for sample containing only 10.0 ppb glutathione. What is the selectivity coefficient for this analysis?
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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So for the question below, I have the answer worked out from class but I don't understand certain steps. For example, why does KiCi+KaCa / KaCa = 4.50 become KiCi/KaCa + KaCa/KaCa = 4.50 ? Where does the second KaCa come from? Next, you cancel values and get 1 + Ka,i(Ci/Ca) = 4.50 -- in this step where does the one come from?
Glutathione is an important antioxidant found in plants and animals. You are measuring glutathione in blood, but the analysis is complicated by many potential interferents including ascorbic acid. In one of your studies, you analyze a solution of 10.0 ppb glutathione and 1.5 ppb ascorbic acid, the signal was 4.50 times greater than the signal you measured for sample containing only 10.0 ppb glutathione. What is the selectivity coefficient for this analysis?
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