At , the ion-product constant for water is . The hydroxide ion concentration in a…

CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases

Problem

25^{\rm o}{\rm C}

, the ion-product constant for water is

1.0 \times 10^{-14}

. The hydroxide ion concentration in a sample of rainwater is

7.2 \times 10^{-10}\,{\rm M}

. Determine the pH of the rainwater.