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pKa
ratio of acid/ [ [ ratoi of acid-base pair
ratio is NOT (significantly) changed upon adding atrong acid/ base
this ratio relationship is HHE…
Henderson-Hasselbalch Equation
assumes “eqm [acid] & [conj. base]” = “initial [ ]’s”
![<p>assumes “eqm [acid] & [conj. base]” = “initial [ ]’s”</p>](https://knowt-user-attachments.s3.amazonaws.com/345085c9-0e2e-44c5-99f5-ecbe7337710a.png)
pH = pKa
[conj. base] = [acid]
“log” is gone
pH > pKa
[conj. base] > [acid]
“log” is +
pH < pKa
[conj. base] < [acid]
“log” is -