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The Second-Order Hydrolysis Reaction of Ethyl Acetate, CH3COOC2H5(aq)+ H2O \to CH3COOH(aq)+ C2H5OH(aq),follows Pseudo-First-Order Reaction Kinetics in Solutions in Which the )

Question 95

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The second-order hydrolysis reaction of ethyl acetate, CH3COOC2H5(aq) + H2O(  The second-order hydrolysis reaction of ethyl acetate, CH<sub>3</sub>COOC<sub>2</sub>H<sub>5</sub>(aq) + H<sub>2</sub>O(   )  \to CH<sub>3</sub>COOH(aq) + C<sub>2</sub>H<sub>5</sub>OH(aq) ,follows pseudo-first-order reaction kinetics in solutions in which the molarity of water is assumed roughly constant at 55.5 M.An experiment using an initial CH<sub>3</sub>COOC<sub>2</sub>H<sub>5</sub> concentration of 0.06500 M is conducted under pseudo-first-order conditions.After 60 seconds,[CH<sub>3</sub>COOC<sub>2</sub>H<sub>5</sub>] = 0.05764 M.Estimate the second-order rate constant. A) 2.00  \times  10<sup>-3</sup> M <sup>-1 </sup>s<sup>-1</sup> B) 1.27   \times  10<sup>-3</sup> M <sup>-1 </sup>s<sup>-1</sup> C) 3.61  \times  10<sup>-5</sup> M <sup>-1 </sup>s<sup>-1</sup> D) 0.111 M <sup>-1 </sup>s<sup>-1</sup> E) 6.67 M <sup>-1 </sup>s<sup>-1</sup> ) \to CH3COOH(aq) + C2H5OH(aq) ,follows pseudo-first-order reaction kinetics in solutions in which the molarity of water is assumed roughly constant at 55.5 M.An experiment using an initial CH3COOC2H5 concentration of 0.06500 M is conducted under pseudo-first-order conditions.After
60 seconds,[CH3COOC2H5] = 0.05764 M.Estimate the second-order rate constant.


A) 2.00 ×\times 10-3 M -1 s-1
B) 1.27 ×\times 10-3 M -1 s-1
C) 3.61 ×\times 10-5 M -1 s-1
D) 0.111 M -1 s-1
E) 6.67 M -1 s-1

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