Ionic EquilibriumHard

Question

H3PO4 is a weak triprotic acid; approximate pH of 0.1 M Na2HPO4 (aq.) is calculated by :-

Options

A. [pKa1+ pKa2]
B. [pKa2 + pKa3]
C. [pKa1 + pKa3]
D.pKa1 + pKa2

Solution

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