Leisschdeadabee Leisschdeadabee
  • 24-10-2016
  • Chemistry
contestada

if 165. mg of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active after 330 min ?

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syed514
syed514 syed514
  • 01-11-2016
330 minutes =5 hours and 30 minutes= 3 half life's 
After 1 - 62.5 
After 2 - 31.15 
After 3 - 15.625
hope it helps
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