A 50.0 mL sample of 0.100 M phosphoric acid (H₃PO₄) is titrated with 0.200 M KOH
CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases
Problem
A 50.0 mL sample of 0.100 M phosphoric acid (H₃PO₄) is titrated with 0.200 M KOH. After 12.5 mL of KOH has been added, what is the pH of the solution? (Only the first dissociation of H₃PO₄ is significant; pKₐ₁ = 2.15.)