5. You need to prepare a buffer at pH = 7. A buffer based on which molecule below is most appropriate?Buffer choicesКаpKaA. propanoic acidB. benzoic acidC. chloroacetic acidD. hypochlorous1.3 x 10-5 M4.896.4 x 10-5 М4.191.35 x 10-3 M2.873.5 x 10-8 M7.46

A buffer solution is an aqueous solution containing a mixture of weak acid and its conjugate base,…

5. You need to prepare a buffer at pH = 7. A buffer based on which molecule below is most appropriate? Buffer choices Ka pKa A. propanoic acid B. benzoic acid 1.3 x 10-5 M 4.89 6.4 x 10-5 M 4.19 C. chloroacetic acid D. hypochlorous 1.35 x 10-3 M 2.87 3.5 x 10-8 M 7.46

5. You need to prepare a buffer at pH = 7. A buffer based on which molecule below is most appropriate? Buffer choices Ka pKa A. propanoic acid B. benzoic acid 1.3 x 10-5 M 4.89 6.4 x 10-5 M 4.19 C. chloroacetic acid D. hypochlorous 1.35 x 10-3 M 2.87 3.5 x 10-8 M 7.46

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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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

5. You need to prepare a buffer at pH = 7. A buffer based on which molecule below is most appropriate?
Buffer choices
Ка
pKa
A. propanoic acid
B. benzoic acid
C. chloroacetic acid
D. hypochlorous
1.3 x 10-5 M
4.89
6.4 x 10-5 М
4.19
1.35 x 10-3 M
2.87
3.5 x 10-8 M
7.46

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