Question
You find the Ka of your unknown acid is 6.3x10
-5
. If you are being asked to make a buffer at pH 4.00, what
is the appropriate ratio of A-
to HA to be combined in your flask?
-5
. If you are being asked to make a buffer at pH 4.00, what
is the appropriate ratio of A-
to HA to be combined in your flask?
Answers
DrBob222
Use the HH equation.
pH = pKa + log (base)/(acid)
pH = pKa + log (base)/(acid)