A buffer contains the weak acid HA and its conjugate base A−. The weak acid has a pKa of 5.25 and the buffer has a pH of 4.82. Which statement is true of the relative concentrations of the weak acid and the conjugate base in the buffer? Group of answer choices [HA] > [A−] [HA] = [A−] [HA] < [A−]
A buffer contains the weak acid HA and its conjugate base A−. The weak acid has a pKa of 5.25 and the buffer has a pH of 4.82. Which statement is true of the relative concentrations of the weak acid and the conjugate base in the buffer? Group of answer choices [HA] > [A−] [HA] = [A−] [HA] < [A−]
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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Question
A buffer contains the weak acid HA and its conjugate base A−. The weak acid has a pKa of 5.25 and the buffer has a pH of 4.82. Which statement is true of the relative concentrations of the weak acid and the conjugate base in the buffer?
Group of answer choices
[HA] > [A−]
[HA] = [A−]
[HA] < [A−]
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