General, Organic, and Biological Chemistry: Structures of Life (5th Edition)

Published by Pearson
ISBN 10: 0321967461
ISBN 13: 978-0-32196-746-6

Chapter 5 - Nuclear Chemistry - 5.3 Radiation Measurement - Questions and Problems: 5.28

Answer

a) 1 mCi b) 1000 mrem

Work Step by Step

We use stoichiometry to obtain: a) $50.0 kg\times(20. mcCi\div1 kg)\times(1 mCi\div1000 mcCi)$ = 1 mCi technetium-99m b) mrem = mrad x factor, where the factor is based on the type of radiation. The factor for alpha radiation is 20. $50 mrad\times20$ = 1000 mrem
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