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Question
A flask contains a mixture of compounds A and B. Both compounds decompose by first-order kinetics. The half-lives are 54.0 min for A and 18.0 min for B. If the concentrations of A and B are equal initially, How long (in a minute) will it take for the concentration of A to be four times that of B?
A flask contains a mixture of compounds A and B. Both compounds decompose by first-order kinetics. The half-lives are 54.0 min for A and 18.0 min for B. If the concentrations of A and B are equal initially, How long (in a minute) will it take for the concentration of A to be four times that of B?
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Solution
The correct option is C 54 min
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