Hydrolysis of methyl acetate in aqueous solution has been studied by titrating the liberated acetic acid against sodium

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Q 2927391281.     Hydrolysis of methyl acetate in aqueous solution has been studied by titrating the liberated acetic acid against sodium hydroxide. The concentration of the ester at different times is given below.

t/min 0 30 60 90
C//mol L^(-1) 0.8500 0.8004 0.7538 0.7096

Show that it follows a pseudo first order reaction, as the concentration of water remains nearly constant (55 mol L^(–1)), during the course of the reaction. What is the value of k′ in this equation? Rate = k′ [CH_3COOCH_3][H_2O]

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