The conjugate acid of $S_2O_8^{2-}$ is

What name is given to the reaction between hydrogen ion and hydroxyl ion?

The species: $H_{2}O$,$HCO_{3}^{-}$,$HSO_{4}^{-}$,and $NH_{3}$ can act both as Bronsted acids and bases. For each case,give the corresponding conjugate acid and conjugate base.

Select the amphoteric substance from the following:

Which one is the weakest acid?

The conjugate acid of $HS^{-}$ is