mrsclnantambu8604 mrsclnantambu8604

06-03-2024
Physics

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The half life of a first order reaction is 6 hours. How long will it take for the concentration of reactant to change from 0.8 M to 0.25 M ?

A. 1.07 hour
B. 5.1 hour
C. 2.7 hour
D. 10.07 hour

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