Asked by HQade

When the pH of a buffer is equal to its pKa, what is the amount of dissociation that has occurred?

1 %

25 %

50 %

100 %
Answered by DrBob222
pH = pKa + log (base)/(acid)
So if pH = pKa then log (base)/(acid) must = 0 and (base/(acid) = 1 so (base) = (acid) so is that 50%?
Answered by Kattrina
50%
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