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The decomposition reaction of A to B has a rate constant of 1.49×10-4 s-1: A →...

The decomposition reaction of A to B has a rate constant of 1.49×10-4 s-1:

A → 2B

How long will it take for the concentration of A to decrease by 18.7%? (answers given in minutes)

a)93.6

b)48.2

c) 33.3

d) 97.8

e) 23.1

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