8.9 Henderson-Hasselbalch Equation

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5 Terms

1
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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…

2
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Henderson-Hasselbalch Equation

assumes “eqm [acid] & [conj. base]” = “initial [ ]’s”

<p>assumes “eqm [acid] &amp; [conj. base]” = “initial [ ]’s”</p>
3
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pH = pKa

[conj. base] = [acid]

  • “log” is gone

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pH > pKa

[conj. base] > [acid]

  • “log” is +

5
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pH < pKa

[conj. base] < [acid]

  • “log” is -