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The decomposition reaction of A to B is a first-order reaction with a half-life of 6.19×102...

The decomposition reaction of A to B is a first-order reaction with a half-life of 6.19×102 seconds: A → 2B If the initial concentration of A is 0.147 M, how many minutes will it take for the concentration of A to be 18.5% of the initial concentration?

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