A Chemical Reaction of the General Type

question 83

Essay

A chemical reaction of the general type
A  2B
is first-order, with a rate constant of 1.52 × 10^-4 s^-1.
a. Calculate the half-life of A.
b. Assuming the initial concentration of A is 0.067 mol L^-1, calculate the time needed for the concentration to fall to 0.010 mol L^-1.

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