If 120. mg of fluorine-18 is shipped at 7:00 AM, how many milligrams of the radioisotope are still active when the sample arrives at the radiology laboratory at 4:10 P.M.? Express the mass to three significant figures and include the appropriate units.
If 120. mg of fluorine-18 is shipped at 7:00 AM, how many milligrams of the radioisotope are still active when the sample arrives at the radiology laboratory at 4:10 P.M.? Express the mass to three significant figures and include the appropriate units.
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter24: Nuclear Chemistry
Section: Chapter Questions
Problem 93A
Question
Transcribed Image Text:If 120. mg of fluorine-18 is shipped at 7:00 AM, how many milligrams of the radioisotope are still active when the sample arrives at the radiology
laboratory at 4:10 P.M.?
Express the mass to three significant figures and include the appropriate units.
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