Question

multiple choice question
water solutions contain ______.
o both h₂o molecules and h⁺ and oh⁻ ions
o h₂o molecules only
o h⁺ and oh⁻ ions only

Explanation:

Water undergoes self - ionization. In water solutions, there are not only $H^+$ and $OH^-$ ions from the self - ionization of water but also $H_2O$ molecules. Water is a polar covalent compound and exists mainly as $H_2O$ molecules, with a small amount of $H^+$ and $OH^-$ ions due to the equilibrium $H_2O
ightleftharpoons H^++OH^-$.

Answer:

A. both $H_2O$ molecules and $H^+$ and $OH^-$ ions