Radioactive decay is a first order process. If the half-life of 222R.is 3.8 days, approximately how long will it take for theconcentration of 222Rn to reach 2.1% of its originalconcentration?O 18 days14 daysO 21 daysO 27 daysO 24 days

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Answered: Radioactive decay is a first order…

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 21.39QE

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Radioactive decay is a first order process. If the half-life of 222Rn is 3.8 days, approximately how long will it take for the concentration of 222Rn to reach 2.1% of its original concentration? O 18 days O 14 days O 21 days O 27 days 24 days