Share
Explore BrainMass

Half Lives

A first order reaction has a half-life of 157 seconds. How much time is required for the reactant to be reduced to 12.5% of its initial concentration?

Solution Preview

Since the reaction has a half-life of 157 seconds it means that each 157 seconds the ...

Solution Summary

This solution works with half lives to determine the time required to reach a certain percentage of its initial concentration.

$2.19