Answer
0.181/day
Work Step by Step
Half-life $t_{1/2}=3.82\,d$
Decay constant $k=\frac{\ln 2}{t_{1/2}}=\frac{0.693}{3.82\,d}=0.181\,d^{-1}$
Chemistry (7th Edition)
by McMurry, John E.; Fay, Robert C.; Robinson, Jill Kirsten
Published by
Pearson
ISBN 10:
0321943171
ISBN 13:
978-0-32194-317-0
Chapter 19 - Nuclear Chemistry - Worked Example - Page 817: 6
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