Chemistry Practice Problems Identifying Reaction Order Practice Problems Solution: How many half-lives are required for the concentra...

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Solution: How many half-lives are required for the concentration of reactant to decrease to 12.5% of its original value?   A) 3 B) 2 C) 2.5 D) 2.75 E) 8

Problem

How many half-lives are required for the concentration of reactant to decrease to 12.5% of its original value?

 

A) 3

B) 2

C) 2.5

D) 2.75

E) 8