Henderson-Hasselbalch equation derivation

00:08 Dissociation of (generic) weak acid HA
00:49 Acid dissociation constant Ka
02:55 In terms of [H₃O⁺] (=[H⁺])
03:30 Taking log of each side
04:02 First property of the logarithm (log ab = log a + log b)
04:31 Applying property 1
05:09 Multiply each side by -1
05:37 Use definitions of pH and pKa
06:10 Second property of the logarithm (log a/b = - log b/a)
06:30 Applying property 2
Derivation of the Henderson-Hasselbalch Equation.
Don't forget to like, comment, share, and subscribe!