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JEE Main Chemistry Class 11 Equilibrium Questions Part 2 Questions

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Question : 39

Total: 100

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

[CH3CH2‌COOH].

required to make buffer is
Given : Ka(CH3CH2‌COOH)=1.3×10−5

[28-Jun-2022-Shift-2]

0.03
0.13
0.23
0.33

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