Part A As a technician in a large pharmaceutical research firm, you need to prod

Question

Part A

As a technician in a large pharmaceutical research firm, you need to produce 350.mL of 1.00 M potassium dihydrogen phosphate buffer solution of pH = 6.79. The pKa 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 M K2HPO4 stock solution, and a carboy of pure distilled H2O. How much 1.00 M KH2PO4 will you need to make this solution?

Part B

If the normal physiological concentration of HCO3? is 24 mM, what is the pH of blood if PCO2drops to 28.0mmHg ?

Explanation / Answer

Part A

Answer

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