Buffer solution is one which has

The pK_a of a weak acid (HA) is 4.5 The pOH of an aqueous buffered solution of HA in which 50% of it is ionised is

The pK_(a) of a weak acid (HA) is 4.5 . The pOH of an aqueous buffered solution of HA in which 50% of the acid is ionized is:

What is buffer solution? Give one example of acidic buffer solution.

What is buffer solution ? Give one example of acidic buffer . In which case of acidic buffer pH = pKa ?