a) Write the formula for each component in a buffer solution of acetic acid and its’ salt.

Question

b) The Ka, for hypochlorous acid, HClO, is 7.2 x l0^–4 at 25°C. What is pKa? Write the equation for the reaction to which Ka applies.

Answer 1

CH3COOH and CH3COO^-

Ka = (H^+)(ClO^-)/(HClO)
pKa = -log Ka