Part A As a technician in a large pharmaceutical research firm, you need to produce 100. mL of 1.00 mol L- potassium phosphate buffer solution of pH= 6.95. The pK, of H2PO, is 7.21. You have the following supplies: 2.00 L of 1.00 mol L KH2PO, stock solution, 1.50 L of 1.00 mol L- K,HPO4 stock solution, and a carboy of pure distilled H2O. How much 1.00 mol L-1 KH,PO, will you need to make this solution? Express your answer to three significant digits with the appropriate units. > View Available Hint(s) µA ? Volume of KH2P0, needed = Value Units Submit

Chemistry
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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
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Part A
As a technician in a large pharmaceutical research firm, you need to produce 100. mL of 1.00 mol L potassium phosphate buffer solution of pH = 6.95. The pK, of H,PO, is 7.21.
You have the following supplies: 2.00 L of 1.00 mol L- KH2PO4 stock solution, 1.50 L of 1.00 mol L-1 K2HPO4 stock solution, and a carboy of pure distilled H20.
How much 1.00 mol L-1 KH,PO4 will you need to make this solution?
Express your answer to three significant digits with the appropriate units.
• View Available Hint(s)
HẢ
Volume of KH2PO4 needed =
Value
Units
Submit
Transcribed Image Text:Part A As a technician in a large pharmaceutical research firm, you need to produce 100. mL of 1.00 mol L potassium phosphate buffer solution of pH = 6.95. The pK, of H,PO, is 7.21. You have the following supplies: 2.00 L of 1.00 mol L- KH2PO4 stock solution, 1.50 L of 1.00 mol L-1 K2HPO4 stock solution, and a carboy of pure distilled H20. How much 1.00 mol L-1 KH,PO4 will you need to make this solution? Express your answer to three significant digits with the appropriate units. • View Available Hint(s) HẢ Volume of KH2PO4 needed = Value Units Submit
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