Question

What is the concentrations of HOAc and OAc- in a 0.2 M “acetate” buffer, pH 5.0? The Ka for acetic acid 1.70x10-5 ?

sorry but given pKa wasn't related to this question can you solve it again??

Answer 1

pKa = - log Ka = -log 1.70E-5 = 4.77