Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of the isotope is 2.7 days. If you begin with 5.6 mg of the isotope, how many days will it take for the quantity of gold-198 to be 0.70 mg?

Chemistry & Chemical Reactivity
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Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions
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Radioactive gold-198 is used in the diagnosis of liver problems.
The half-life of the isotope is 2.7 days. If you begin with 5.6 mg of
the isotope, how many days will it take for the quantity of gold-198
to be 0.70 mg?
Transcribed Image Text:Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of the isotope is 2.7 days. If you begin with 5.6 mg of the isotope, how many days will it take for the quantity of gold-198 to be 0.70 mg?
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