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# A certain first-order reaction (A -gt; products) has a rate constant of 3.30*10^-3 1/s at 45C. How many minutes does it take for the concentration...

A certain first-order reaction (A -> products) has a rate constant of 3.30*10^-3 1/s at 45C. How many minutes does it take for the concentration of the reactant,[A], to drop to 6.25% of the original concentration?