A student needs to prepare a buffer solution of propanoic acid and its sodium salt with pH 4. The ratio of [C H₃ C H₂ CO O^ - ] [C H₃ C H₂ COOH] required to make buffer is _ _ _ _ _ _. Given: K a (C H₃ C H₂ COOH) = 1.3 × 10⁻⁵

Equilibrium: JEE Main 2022 Chemistry question

JEE Main 2022 · 28 Jun, Evening shift · Q1310

JEE Main 202228 Jun, Evening shiftChemistryMediumEquilibrium123× since 2002

A student needs to prepare a buffer solution of propanoic acid and its sodium salt with pH 4. The ratio of

{{[C{H_3}C{H_2}CO{O^ - }]} \over {[C{H_3}C{H_2}COOH]}}

required to make buffer is ___________. Given :

{K_a}(C{H_3}C{H_2}COOH) = 1.3 \times {10^{ - 5}}

JEE Main 2022 Equilibrium Question with Solution (28 Jun Evening shift, Q1310) | JEE Arc

JEE Main 2022 · 28 Jun, Evening shift · Q1310

JEE Main 202228 Jun, Evening shiftChemistryMediumEquilibrium123× since 2002

A student needs to prepare a buffer solution of propanoic acid and its sodium salt with pH 4. The ratio of

{{[C{H_3}C{H_2}CO{O^ - }]} \over {[C{H_3}C{H_2}COOH]}}

required to make buffer is ___________. Given :

{K_a}(C{H_3}C{H_2}COOH) = 1.3 \times {10^{ - 5}}