(Q121) Technetium-99 is an unstable isotope used in various medical procedures. Given a half lifeof 8.01 hours, what is the activity (in Curies, Ci) of a 1.41 µg sample?

Given: half life (t12)=8.01 hrsmass=1.41 ug To find: Activity in Ci

Answered: (Q121) Technetium-99 is an unstable…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter19: Nuclear Chemistry

Section: Chapter Questions

Problem 51AP

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Technetium-99m has a half-life of 6.01 hours. If a patient injected with technetium-99m is safe to leave the hospital once 75% of the dose has decayed, when is the patient allowed to leave?
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(Q121) Technetium-99 is an unstable isotope used in various medical procedures. Given a half life of 8.01 hours, what is the activity (in Curies, Ci) of a 1.41 µg sample?