Question

Determine whether potassium hydrogen tartrate (KHC4H4O6) is neutral, basic, or acidic.

First, what is its Ka when it acts as an acid?

The following are for the diprotic acid, H2C4H4O6:
Ka1 = 1.0 x 10-3 and Ka2 = 4.6 x 10-5.
Rachel, Charles, whoever. See your post above. Done the same way. Post your work if you need help.

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