Radioactive iodine, 131I, with a half-life of 8.0252 d, is used in some forms of medical diagnostics.

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Radioactive iodine, 131I, with a half-life of 8.0252 d, is used in some forms of medical diagnostics.
(a) If the initial activity of a sample is 64.5 mCi, what is the mass of 131I in the sample?
(b) What will the activity be 4.5 d later?

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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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Question Posted: Jun 06, 2016 06:37 AM

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Radioactive iodine, 131I, with a half-life of 8.0252 d, is used in some forms of medical diagnostics.

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a The activity is related to the number of nuclei N and the time constant by R N The number ...View the full answer

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