How does pKa change with pH?

1 Answer
SCooke
Feb 18, 2016

#pH = pK_a + log (A^-#/HA)

Explanation:

#pH = pK_a + log (A^-#/HA)
pKa is an equilibrium constant. pH is an indication of hydrogen ion content in a solution. Any changes to pH will therefore affect one of the factors in the pKa equation. The amount and direction of change in the pKa value will depend on whether the #H^+# ions are part of the reactant or product side of the equation.

Related questions
See all questions in pH, pKa, Ka, pKb, Kb
Impact of this question
10775 views around the world
You can reuse this answer
Creative Commons License