What is the conjugate base of HPO42-?

1 Answer
anor277
Jan 2, 2016

Simply remove #H^+# from your base from your base formula; conserve mass and charge.

Explanation:

The conjugate base of #H_3PO_4#, phosphoric acid, is #H_2PO_4^-#. The conjugate base of dihydrogen phosphate is #HPO_4^(2-)# (so you know the conjugate acid, why?).

You have #HPO_4^(2-)#, so its conjugate base is.......................???????

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