Chemistry Practice Problems Integrated Rate Law Practice Problems Solution: The reaction X → products is second order in X and...

Solution: The reaction X → products is second order in X and has a rate constant of 0.035 M-1s-1.  If a reaction mixture is initially 0.55 M in X, what is the concentration of X after 151 seconds?

Problem

The reaction X → products is second order in X and has a rate constant of 0.035 M-1s-1.  If a reaction mixture is initially 0.55 M in X, what is the concentration of X after 151 seconds?

Solution

For a second order reaction we’re going to use the following equation:

Given:

Initial concentration of X = 0.55 M
t = 151 s
k = 0.035 M-1 s-1

Calculate final concentration of X:

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