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# Determination of Amount of Reactant Remaining from Rate Constant

APCHEM-GYNSML

A first-order reaction has a rate constant of 1.5/minute.

What fraction of the reactant B remains after 1.848 minutes?

A

$\cfrac{1}{2}$

B

$\cfrac{1}{4}$

C

$\cfrac{1}{8}$

D

$\cfrac{1}{16}$