Question #627f1

1 Answer
Harold Walden ยท Stefan V.
Sep 15, 2015

a) conjugate base: NH_3
b) conjugate acid: H_2PO_4^(-)

Explanation:

I think in your question you meant to ask for the conjugate base of NH_4^+ and the conjugate acid of HPO_4^(2-)

HPO_4^(2-) has the ability of being both an acid and a base. If it's considered an acid, the conjugate base would be PO_4^(3-). If it's considered the base, the conjugate acid would be H_2PO_4^(-).

Conjugate bases result once an acid donates its hydrogen ion.

Conjugate acids result once a base donates its hydrogen ion.

Hope this helps.

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