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General Chemistry 2

Chemistry
Tutor: None Selected Time limit: 0 Hours

A reaction that is second-order in one reactant has a rate constant of 2.0 × 10-2 L/(mol · s). If the initial concentration of the reactant is 0.340 mol/L, how long will it take for the concentration to become 0.170 mol/L?

Feb 3rd, 2015

1/At -1/A0 = kt

So  1/0.170 -1/ 0.34 = 0.02 t

Therefore t = 5.882 - 2.941 /0.02

t=. 14.7 seconds

Answer:  14.7 seconds

Feb 3rd, 2015

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