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The rate constant of the reaction A rarr...

The rate constant of the reaction A `rarr` B is `0.6 xx10^-3` mole per second. If the concentration of A is 5 M, then concentration of B after 20 minutes is:

A

0.36 M

B

0.72M

C

1.08M

D

3.60M

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MODERN PUBLICATION-CHEMICAL KINETICS-EXERCISE
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