The second-order rate constant for the reaction CH3COOC2H5(aq) + OH−(aq) → CH3CO2−(aq) + CH3CH2OH(aq) is 0.11 dm3 mol−1 s−1. What is the concentration of ester (CH3COOC2H5) after (i) 20 s, (ii) 15 min when ethyl ethanoate is added to aqueous sodium hydroxide so that the initial concentrations are [NaOH] = 0.060 mol dm−3 and [CH3COOC2H5] = 0.110 mol dm−3?

Initial concentration of ester = ao = 0.11 mol/L Initial concentration of NaOH = ao = 0.06 mol/L…

Answered: The second-order rate constant for the…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section: Chapter Questions

Problem 39QRT

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The second-order rate constant for the reaction CH₃COOC₂H₅(aq) + OH⁻(aq) → CH₃CO₂⁻(aq) + CH₃CH₂OH(aq) is 0.11 dm³ mol⁻¹ s⁻¹. What is the concentration of ester (CH₃COOC₂H₅) after (i) 20 s, (ii) 15 min when ethyl ethanoate is added to aqueous sodium hydroxide so that the initial concentrations are [NaOH] = 0.060 mol dm⁻³ and [CH₃COOC₂H₅] = 0.110 mol dm⁻³?

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