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QUESTION

What is the conjugate base of HSO4-?

SO_4^(2-)

Although it has a negative charge, it will never accept a H^+ to form H_2SO^4(sulfuric acid) . That is because sulfuric acid is a strong acid and completely disassociates in water.

Therefore, the sulfate ion (SO_4^(2-)) is the conjugate base of HSO_4^-.