What is the conjugate base
of H2O?

O2–(aq) + H2O(l) → OH–(aq) + OH–(aq). OH– is the conjugate acid of the base O2–. OH– is also the conjugate base of the acid H2O.

Explanation:

A conjugate acid, is a species formed by the reception of a proton (H+) by a base—in other words, it is a base with a hydrogen ion added to it.

OH- is the conjugate base of H2O..

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.