Answer:
Rate equation for the first order
reaction is \[k=\frac{2.303}{t}\log \,\frac{{}}{\,\,\,\,\,\,-a}\]
Here a is the initial concentration of
reactants and \[(a-x)\] is concentration after time t. Since the units of a and\[(a-x)\]are
to cancel out, therefore, units of rate constant (k) do not depend upon the
concentration of the reactants.
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