Hello,

I‘ve got a problem that bugs me for two weeks now but I‘m clueless as to how to calculate the pH so I hoped someone here could assist me. Say we have got a salt made of of a weak base (pkb = 9.37) and a weak acid (pka = 3.98) with a molar concentration of 0.06M and then add an excess of the said weak base (additional 0.02M), how would I calculate the overal pH as I cannot apply the Hasselbalch equation.

Thanks very much in advance.

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