Calculate the pH of 0.1 M solution

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

Problem

Calculate the pH of 0.1 M

\text{K}_3\text{PO}_4

solution. The third dissociation constant of orthophosphoric acid is

1.3 \times 10^{-12}

. Assume that the hydrolysis proceeds only in the first step.