Question: help please 5. You prepare a buffer composed of 0.13 mol of HPO4 and 0.12 mol of PO42-. The Ka of the weak acid is

help please 5. You prepare a buffer composed of 0.13 mol

help please

5. You prepare a buffer composed of 0.13 mol of HPO4 and 0.12 mol of PO42-. The Ka of the weak acid is 2.2 x 10-13 M. You then add 0.02 mol of HCl to your buffer mixture. What is the pH of the solution after adding the HCl. Show your work for full points. (1 point)

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