Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 18 - Nuclear Chemistry - Problem Solving Practice 18.5 - Page 798: a


75 days.

Work Step by Step

Half-life $t_{1/2}=\frac{0.693}{k}$ where $k$ is the rate constant. That is, $t_{1/2}=\frac{0.693}{9.3\times10^{-3}\,d^{-1}}=75\,d$
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