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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