Equal volumes of 0.1 M solutions of NaH2PO4 and Na3PO4 are mixed. What is the pH of the resulting so — Acid-Base Chemistry Chemistry Question
Question
Equal volumes of 0.1 M solutions of NaH2PO4 and Na3PO4 are mixed. What is the pH of the resulting solution? For H3PO4, pKa1 = 2.12, pKa2 = 7.21, pKa3 = 12.32.
A.
4.66
B.
6.66
C.
7.21
D.✓ Correct
9.76
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