2. The second-order rate constant for the reaction of alkaline hydrolysis of ethyl acetate in an 88% aqueous solution of ethyl alcohol at 18 C is equal to 5.23 l*mol-1*s-1.
a) What is the half-life if both reactants have the same concentration of 0.01 M?
b) If the concentration of one of the reagents is doubled and the concentration of the other is reduced by 2 times, then how long will it take for half of the substance with the lower concentration to react?

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