9. Suppose the amount of a certain radioactive substance in a sample decays from 3.80 mg to 1.70 mg over a period of 4.61 seconds. Calculate the half-life of the substance. Round your answer to 2 significant digits.

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter21: Nuclear Chemistry
Section: Chapter Questions
Problem 21.41QE
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9. Suppose the amount of a certain radioactive substance in a sample decays from
3.80 mg to 1.70 mg over a period of 4.61 seconds. Calculate the half-life of the
substance. Round your answer to 2 significant digits.
Transcribed Image Text:9. Suppose the amount of a certain radioactive substance in a sample decays from 3.80 mg to 1.70 mg over a period of 4.61 seconds. Calculate the half-life of the substance. Round your answer to 2 significant digits.
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