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Question 21.5: Indium-111 (t1/2 = 2.805 d) and gallium-67 (t1/2 = 3.26 d) a...

Indium-111 (t_{1/2} = 2.805  d) and gallium-67 (t_{1/2} = 3.26  d) are both used in radioimaging to diagnose chronic infections. Which isotope decays faster? If we start with 10.0 mg of each isotope, how much of each remains after 24 h?

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