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General chemistry

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What is the decay constant for a radioactive isotope which decreases to 34% of its original value in 2.48 hours?

  • General chemistry -

    ln(No/N) = kt
    ln(100/34) = k(2.48)
    I started with 100 arbitrarily, then made the N value 34% of that. Solve for k.

  • General chemistry -

    thank you so much

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