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As a technician in a large pharmaceutical research firm, you need to produce 450. mL of 1.00 mol L potassium phosphate buffer solution of pH = 7.03. The pKa of H2PO4 is 7.21. -1 You have the following supplies: 2.00 L of 1.00 mol L-1 KH2PO4 stock solution, 1.50 L of 1.00 mol L- K2HPO4 stock solution, and a carboy of pure distilled H2 O. How much 1.00 mol L- KH2PO4 will you –1 need to make this solution?

As a technician in a large pharmaceutical research firm, you need to produce 450. mL of 1.00 mol L potassium phosphate buffer solution of pH = 7.03. The pKa of H2PO4 is 7.21. -1 You have the following supplies: 2.00 L of 1.00 mol L-1 KH2PO4 stock solution, 1.50 L of 1.00 mol L- K2HPO4 stock solution, and a carboy of pure distilled H2 O. How much 1.00 mol L- KH2PO4 will you –1 need to make this solution?

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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As a technician in a large pharmaceutical research firm, you need to produce 450. mL of 1.00 mol L- potassium phosphate buffer solution of pH = 7.03. The pKa of H2PO4 is 7.21. You have the following supplies: 2.00 L of 1.00 mol L-1 KH2PO4 stock solution, 1.50 L of 1.00 mol L- K2HPO4 stock solution, and a carboy of pure distilled H2O. How much 1.00 mol L- KH2PO4 will you –1 need to make this solution? Express your answer to three significant digits with the appropriate units.
Transcribed Image Text:As a technician in a large pharmaceutical research firm, you need to produce 450. mL of 1.00 mol L- potassium phosphate buffer solution of pH = 7.03. The pKa of H2PO4 is 7.21. You have the following supplies: 2.00 L of 1.00 mol L-1 KH2PO4 stock solution, 1.50 L of 1.00 mol L- K2HPO4 stock solution, and a carboy of pure distilled H2O. How much 1.00 mol L- KH2PO4 will you –1 need to make this solution? Express your answer to three significant digits with the appropriate units.
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