What is the general equilibrium expression for the self-

ionization of water (shown below)?

2H20 (aq) = H20+ (aq) + OH- (aq)

Kw= = [H3O+][OH-] = [H+][OH-].

Explanation:

In chemistry, the term 'equilibrium'' is a period or time in which the rate at which the product is been produced or generated is equal to the quantity of the reactants reacting. In order way, we can say the equilibrium is when forward Reaction is equal to the backward Reactions.

The general equilibrium expression for the self-ionization of water is given below;

Kw = [H3O+][OH-] = [H+][OH-].

The kw is now equal to 1.001x10-14 at 25°C. Kw which is the equilibrium constant is also refer to as the dissociation constant of water.

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