As a technician in a large pharmaceutical research firm, you need to produce 450. mL of a potassium dihydrogen phosphate buffer solution of pH = 7.09. The pK, of H₂PO4 is 7.21. You have the following supplies: 2.00 L of 1.00 M KH₂PO4 stock solution, 1.50 L of 1.00 MK₂HPO4 stock solution, and a carboy of pure distilled H₂O. How much 1.00 M KH₂PO4 will you need to make this solution? (Assume additive volumes.) Express your answer to three significant digits with the appropriate units. ▸ View Available Hint(s) Volume of KH₂PO4 needed = 171 Submit Previous Answers HÅ mL
As a technician in a large pharmaceutical research firm, you need to produce 450. mL of a potassium dihydrogen phosphate buffer solution of pH = 7.09. The pK, of H₂PO4 is 7.21. You have the following supplies: 2.00 L of 1.00 M KH₂PO4 stock solution, 1.50 L of 1.00 MK₂HPO4 stock solution, and a carboy of pure distilled H₂O. How much 1.00 M KH₂PO4 will you need to make this solution? (Assume additive volumes.) Express your answer to three significant digits with the appropriate units. ▸ View Available Hint(s) Volume of KH₂PO4 needed = 171 Submit Previous Answers HÅ mL
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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