Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 25 - Nuclear Chemistry - 25 Assessment - Page 900: 47

Answer

40 days is 5 half-lives. $6.3\times10^{-1}$ mg is left after these 5 half-lives.

Work Step by Step

40 days is 5 half-lives. $6.3\times10^{-1}$ mg is left after these 5 half-lives.
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