Question: 2-What is the pH of a phosphate buffer solution contains 100ml of 0.2M sodium monophosphate and 400ml of a 0.5M of sodium diphosphate solution (pKa

2-What is the pH of a phosphate buffer solution contains 100ml of 0.2M sodium monophosphate and 400ml of a 0.5M of sodium diphosphate solution (pKa of phosphoric acid: 7.2) (10 P)

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