Question:
The species: $\mathrm{H}_{2} \mathrm{O}, \mathrm{HCO}_{7}^{-}, \mathrm{HSO}_{4}^{-}$, and $\mathrm{NH}_{3}$ can act both as Brönsted acids and bases. For each case give the corresponding conjugate acid and base.
Solution:
The table below lists the conjugate acids and conjugate bases for the given species.