A first-order reaction has a rate constant of 0.0051 (min)^-1. If we begin with 0.10 M concentration of the reactant

### Question Asked by a Student from EXXAMM.com Team

Q 1145291163.     A first-order reaction has a rate constant of 0.0051 (min)^-1. If we begin with 0.10 M concentration of the reactant, what concentration of reactant will remain in the solution after 3 hours?
A

0.0398 M

B

0.0438 M

C

0.0291 M

D

None of these

#### HINT

Use log((A_0)/A)=(kt)/2.303

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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