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A sample of F-18 has an initial decay rate of 1.5 x 10° dis/s. How long will it take for the decay rate to fall to 2.5 x 10° dis/s? (F-18 has a half-life of 1.83 hours.)

A sample of F-18 has an initial decay rate of 1.5 x 10° dis/s. How long will it take for the decay rate to fall to 2.5 x 10° dis/s? (F-18 has a half-life of 1.83 hours.)

Chemistry for Today: General, Organic, and Biochemistry
Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Chapter10: Radioactivity And Nuclear Processes
Section: Chapter Questions
Problem 10.83E
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A sample of F-18 has an initial decay rate of 1.5 x 10° dis/s. How long will it take for the decay rate to fall to 2.5 x 10° dis/s? (F-18 has a half-life of 1.83 hours.)
Transcribed Image Text:A sample of F-18 has an initial decay rate of 1.5 x 10° dis/s. How long will it take for the decay rate to fall to 2.5 x 10° dis/s? (F-18 has a half-life of 1.83 hours.)
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