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14. Oral solutions of Lipitor are often prepared in a buffer solution with a pH = 7.4. Which of the following buffer pairs would be the best choice for preparing this buffer solution? ☐ a. H3PO4 / H2PO4¯ ☐ b. H2PO4- /HPO4²- c. HPO42/PO4³- d. H3PO3 / H2PO3¯ e. H₂PO3/HPO3²- Ka = 7.5×10-3 Ka = 6.2×10-8 Ka = 3.6×10-13 Ka = 1.6×10-2 Ka = 7.0×10-7

14. Oral solutions of Lipitor are often prepared in a buffer solution with a pH = 7.4. Which of the following buffer pairs would be the best choice for preparing this buffer solution? ☐ a. H3PO4 / H2PO4¯ ☐ b. H2PO4- /HPO4²- c. HPO42/PO4³- d. H3PO3 / H2PO3¯ e. H₂PO3/HPO3²- Ka = 7.5×10-3 Ka = 6.2×10-8 Ka = 3.6×10-13 Ka = 1.6×10-2 Ka = 7.0×10-7

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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14. Oral solutions of Lipitor are often prepared in a buffer solution with a pH = 7.4. Which of the following buffer pairs would be the best choice for preparing this buffer solution? ☐ a. H3PO4 / H2PO4¯ ☐ b. H2PO4- /HPO4²- c. HPO42/PO4³- d. H3PO3 / H2PO3¯ e. H₂PO3/HPO3²- Ka = 7.5×10-3 Ka = 6.2×10-8 Ka = 3.6×10-13 Ka = 1.6×10-2 Ka = 7.0×10-7
Transcribed Image Text:14. Oral solutions of Lipitor are often prepared in a buffer solution with a pH = 7.4. Which of the following buffer pairs would be the best choice for preparing this buffer solution? ☐ a. H3PO4 / H2PO4¯ ☐ b. H2PO4- /HPO4²- c. HPO42/PO4³- d. H3PO3 / H2PO3¯ e. H₂PO3/HPO3²- Ka = 7.5×10-3 Ka = 6.2×10-8 Ka = 3.6×10-13 Ka = 1.6×10-2 Ka = 7.0×10-7
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