Question:

Kinetics problem.......

by Guest32342  |  earlier

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consider the 1st order

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  1. log [A2] - log [Ao] = - 0.3009 (t) / (t1/2)

    log [0.75] - log [1] = - 0.3009 (24) / (t1/2)

    - 0.125 - 0 = - 7.222 / (t1/2)

    t1/2 = 7.22 / 0.125

    t1/2 = 57.8 seconds

    your answer is : 58 seconds

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