chemistry

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Iodine-131 is used to destroy thyroid tissue in the treatment of an overactive thyroid. the half-life of iodine-131 is 8.02 days. if a hospital receives a shipment of 200.0g of iodine-131, how much iodine-131 would remain after 32 days?

  • chemistry -

    k = 0.693/t1/2
    Sustitute into the equation below.
    ln(No/N) = kt
    No is 200.0g
    N = what remains.
    t is 32 days.

  • chemistry -

    how did you get .693?

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