Conjugate Acid/Base Pairs

HA(aq) + H2O(l) _ H3O+(aq) + A_(aq)

conj conj conj conj

acid 1 base 2 acid 2 base 1

conjugate base: everything that remains of the acid molecule after a proton is lost.

conjugate acid: formed when the proton is transferred to the base.

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