Asked by Jae
If 200. mg of fluorine-18 is shipped at 7:00 A.M., how many milligrams of the radioisotope are still active when the sample arrives at the radiology laboratory at 4:10 P.M.?
Answers
Answered by
bobpursley
half life = 109.8minutes
minutes from 7am to 4:10= 9*60+10
Amountleft= 200mg*e^(-.693*minutes/109.8)
minutes from 7am to 4:10= 9*60+10
Amountleft= 200mg*e^(-.693*minutes/109.8)
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