Fluorine-18 decays to form a positron and oxygen-18. After 90.0 minutes, 1.00 18O is present relative to every 1.30 18F. Estimate the half-life of F-18. A. 288 minutes D. 175 minutes B. 110 minutes E. 238 minutes C. 156 minutes

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Chapter25: Nuclear Chemistry
Section: Chapter Questions
Problem 59GQ
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Fluorine-18 decays to form a positron and
oxygen-18. After 90.0 minutes, 1.00 18O is
present relative to every 1.30 18F. Estimate the
half-life of F-18.
A. 288 minutes D. 175 minutes
B. 110 minutes E. 238 minutes
C. 156 minutes

 

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