The half-life of strontium-90 is 28 years. How long will it take a 30-mg sample to decay to a mass of 16.8 mg? (Round your answer to the nearest whole number.) yr
The half-life of strontium-90 is 28 years. How long will it take a 30-mg sample to decay to a mass of 16.8 mg? (Round your answer to the nearest whole number.) yr
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 21.63QE
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This exercise uses the radioactive decay model.
The half-life of strontium-90 is 28 years. How long will it take a 30-mg sample to decay to a mass of 16.8 mg? (Round your answer to the nearest whole number.)
yr
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