Chemistry (12th Edition)

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

Chapter 25 - Nuclear Chemistry - Standardized Test Prep: 13

Answer

If there is 100g of the original isotope, then after one half-life there, is 50g left and after the second half-life, there is 25g left. If 0.75 of the next half life goes through, then there will be 4.7g of decay leaving about 7.5% of the original isotope.

Work Step by Step

If there is 100g of the original isotope, then after one half-life there, is 50g left and after the second half-life, there is 25g left. If 0.75 of the next half life goes through, then there will be 4.7g of decay leaving about 7.5% of the original isotope.
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