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The half-life of a first order reaction is determined to be 92.0 years. How long will it take for the concentration of the reactant to reach 2% of its initial value?

  • chemistry -

    You meant to say the question is: The half-life of a first order reaction is determined to be 85.5 years. How long will it take for the concentration of the reactant to reach 2% of its initial value?

  • chemistry -

    Make use of the formula t=2.303/k*log[Ri/Rf]....where k=0.639/halflyf Rf=2/100Ri..

  • chemistry -

    Got it 519.23512
    92.0 years X (multiply) with 5.64386

  • chemistry -

    You are not allowed to post answers to exam problems. Collaboration of any form is strictly
    forbidden in the midterms and the final exams.

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