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11. Flourine-18, which has a half-life of 110 minutes, is used in PET scans. If 100mg. of fluorine-18 is shipped at 8:30 am, how many milligrams of the radioisotope are still active if the sample arrives at the radioisotope laboratory at 1:30 p.m.?

11. Flourine-18, which has a half-life of 110 minutes, is used in PET scans. If 100mg. of fluorine-18 is shipped at 8:30 am, how many milligrams of the radioisotope are still active if the sample arrives at the radioisotope laboratory at 1:30 p.m.?

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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11. Flourine-18, which has a half-life of 110 minutes, is used in PET scans. If 100mg. of fluorine-18 is shipped at 8:30 am, how many milligrams of the radioisotope are still active if the sample arrives at the radioisotope laboratory at 1:30 p.m.?
Transcribed Image Text:11. Flourine-18, which has a half-life of 110 minutes, is used in PET scans. If 100mg. of fluorine-18 is shipped at 8:30 am, how many milligrams of the radioisotope are still active if the sample arrives at the radioisotope laboratory at 1:30 p.m.?
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