if CH3COOH=0.1mole per dm3 and that of CH3COONa=1.0 mol3 per dm3.The pH of buffer is
is a monoacidic weak acid with as an alkali metal hence
The general expression for The weak acid is ;
Which translates to;
The pKa value of
From the formula
The pH of the buffer is
Hence the the buffer is acidic.