Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 5 - Section 5.4 - Half-Life of a Radioisotope - Study Check 5.7 - Page 149: 1

Answer

0.50𝝁g of iron-59

Work Step by Step

For every 44 days it loses half of its mass. The first 44 days it drops to 4 𝝁g, after another 44 days it drops to 2 𝝁g, another 44 days it drops to 1 𝝁g, the last 44 days (out of 176) it drops to 0.50 𝝁g.
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