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K for a zero order reaction 2xx10^-2molL...

K for a zero order reaction `2xx10^-2molL^-1sec^-1` If the concentration of the reactant after 25 sec is 0.5 M, the initial concentration must have been:

A

0.5M

B

1.25M

C

12.5M

D

1.0M

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The correct Answer is:
A
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