The relative abundance of 40 K (molecular mass 40.0 g/mol) is 1.2 10 -4 . The
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The relative abundance of 40K (molecular mass 40.0 g/mol) is 1.2 × 10-4. The isotope 40K is radioactive with a halflife of 1.3 × 109 y. Potassium is an essential element of every living cell. In the human body the mass of potassium constitutes approximately 0.36% of the total mass. Determine the activity of this radioactive source in a student whose mass is 60 kg.
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Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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