The ionization constant of HA is 1 × 10−6

.
What must be the ratio of [A−] to [HA] for
the preparation of a buffer solution with a pH
of 6.77?

whats the answeer??????

1 answer

Let me start you off, but you have to figure it out from there.

pH = pKa + log ([A-]/[HA])

Solve for ([A-]/[HA]). So you may set it up as

pH = pKa + log x

Now, solve for x...
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