A mixture of the diprotic acid HOC6H4COOH and Na[HOC6H4COO] is titrated with sodium hydroxide soluti — Acid-Base Chemistry Chemistry Question
Question
A mixture of the diprotic acid HOC6H4COOH and Na[HOC6H4COO] is titrated with sodium hydroxide solution to give these data:
Which statement is correct?
A.✓ Correct
The ratio of Na[HOC6H4COO] to HOC6H4COOH is 2:1.
B.
The total number of moles of Na[HOC6H4COO] and HOC6H4COOH combined is 0.008.
C.
The pKa1 of HOC6H4COOH is 5.3.
D.
The pKa2 of HOC6H4COOH is 9.2.
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