Question

multiple choice question how are the concentrations of h+ and oh- ions in a water solution related to each other? they are inversely proportional. when one increases in concentration, the other completely disappears. they are directly proportional.

Explanation:

In water - solution, the product of the hydrogen - ion concentration $[H^+]$ and the hydroxide - ion concentration $[OH^-]$ is a constant at a given temperature ($K_w=[H^+][OH^-]$). So, when the concentration of one ion increases, the concentration of the other ion decreases, which means they are inversely proportional.

Answer:

They are inversely proportional.