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Acetoacetic acid, CH3COCH2COOH, decomposes in aqueous acidic solution to form acetone and carbon dioxide: CH3COCH2COOH(aq) -->...

Acetoacetic acid, CH3COCH2COOH, decomposes in aqueous acidic solution to form acetone and carbon dioxide:

CH3COCH2COOH(aq) --> CH3COCH3(aq) + CO2(g)

The reaction is first order. At room temperature, the half-life of the reactant is 139 min.

a. What is the rate constant of the decomposition reaction ?

b. If the initial concentration of acetoacetic acid is 2.75 M, what is its concentration after 5 hours ?

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