Compute the resulting ph

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Q1) Suppose if equal amounts of Na2HPO4 and NaH2PO4 are mixed in water, calculate the resulting pH. The pKas of phosphoric acid are 2.1, 7.2, 12.4.

Q2) Estimate the pH of the resulting solution prepared by mixing 1.0 mole of solid disodium phosphate (Na2HPO4) and 1.25 mole of hydrochloric acid. The pKas of phosphoric acid are 2.1, 7.2, 12.4.

 

Reference no: EM1393353

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