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Chemical and Phase Equilibria question

2022 · Q58
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Chemical and Phase Equilibria question

2022 · Q58

IIT JAMChemistryChemical and Phase EquilibriaNumerical+2 / −0
The pH of an aqueous buffer prepared using CH_{3}COOH and CH_{3}COO^{-}Na^{+} is 4.80. The quantity [CH3COO−]−[CH3COOH][CH3COOH]\frac{[\text{CH}_3\text{COO}^-] - [\text{CH}_3\text{COOH}]}{[\text{CH}_3\text{COOH}]}[CH3​COOH][CH3​COO−]−[CH3​COOH]​ is ‾\underline{\hspace{2cm}}​. *(round off to three decimal places)* [Given: pK_{a} of CH_{3}COOH in water is 4.75]
Numerical answer
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Correct answer: 0.121, 0.123

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