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March 30, 2017

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carbon 14 has a half life of 5715 years. If you start with a 5 gram sample of 14C, what mass is left after 15,000 years?

  • Chemistry - ,

    k = 0.693/t1/2
    solve for k.

    ln(No/N) = kt
    No = 5.00 g
    N = ?
    k from above.
    t = time in years = 15,000

  • Chemistry - ,

    Thank you so much.

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