The pH of an aqueous solution containing 1 M benzoic acid (pK a =4.20) and 1 M sodium benzoate is 4.5. The volume of benzoic acid solution in 300 ~mL of this buffer solution is _ _ _ _ m L. (given: log 2=0.3)

Equilibrium: JEE Main 2024 Chemistry question

JEE Main 2024 · 30 Jan, Evening shift · Q14

JEE Main 202430 Jan, Evening shiftChemistryMediumEquilibrium123× since 2002

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

)

Your answerType your answer. Integers and decimals are accepted.

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