In the Reaction Below, Identify the Conjugate Acid-Base Pair $\rightarrow$ HS^- + HPO₄^2-
A) S^-2 &Ensp; HS^-
B) H₂PO₄^-

In the reaction below, identify the conjugate acid-base pair. (The acid is listed first in the pair.)
H₂PO₄^? + S^2- $\rightarrow$ HS^- + HPO₄^2-

A) S^-2   HS^-
B) H₂PO₄^-   S^-2
C) H₂PO₄^-   HPO₄^-2
D) HS^-   H₂PO₄^-