Ask a New Question

Question

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.?
8 years ago

Answers

bobpursley
half life = 109.8minutes
minutes from 7am to 4:10= 9*60+10

Amountleft= 200mg*e^(-.693*minutes/109.8)
8 years ago

Related Questions

what does fluorine ion have in common with a neon atom and a sodium ion? Fluorine-18, which has 1/2 life of 110 minutes, is used in PET scans. If 100 mg of fluorine-18 is... Of the 3 elements fluorine, nitrogen, and carbon , what is the atomic number of the one that has the... Of the 3 elements fluorine, nitrogen, and carbon, what is the atomic number of the one that has the... What do two atoms of fluorine and eight atoms of hydrogen form? Fluorine is the most electronegative element on the periodic table, which means that, in an ionic bo... Fluorine is the most electronegative element on the periodic table, which means that, in an ionic bo... Fluorine is the most electronegative element on the periodic table, which means that in, an ionic bo... Fluorine is the most electronegative element on the periodic table, which means that, in an ionic bo... Fluorine is the most electronegative element on the periodic table, which means that in an ionic, fl...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use