Jee Main
Ionic Equilibrium
JEE Main 2024 (Online) 30th January Evening Shift
INTEGER+4 / -12024
The \(\mathrm{pH}\) of an aqueous solution containing \(1 \mathrm{M}\) benzoic acid \(\left(\mathrm{pK}_{\mathrm{a}}=4.20\right)\) and \(1 \mathrm{M}\) sodium benzoate is 4.5. The volume of benzoic acid solution in \(300 \mathrm{~mL}\) of this buffer solution is _________ \(\mathrm{mL}\). (given : \(\log 2=0.3\))