Final answer:
The acid component of the HSO₄-/SO₄²- buffer is HSO₄-.
Step-by-step explanation:
The acid component of the HSO₄-/SO₄²- buffer is HSO₄-.
The hydrogen sulfate ion (HSO₄-) is the conjugate acid of the sulfate ion (SO₄²-). HSO₄- can act as an acid in a buffer solution, donating a proton (H+) to a stronger base.
In this buffer, the sulfate ion (SO₄²-) acts as the conjugate base, capable of accepting a proton (H+) to form HSO₄-.