Iodine-131 has a half-life of 8.040 days.How long will it take for a 40.0-gram sample of Iodine-131 to decay to 1/16th of its original mass? How long would it take if that same sample were to lose 75% of its radioactive nuclei?

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Answered: How long will it take for a 40.0-gram…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter18: Nuclear Reactions

Section: Chapter Questions

Problem 29QAP

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Iodine-131 has a half-life of 8.040 days.

How long will it take for a 40.0-gram sample of Iodine-131 to decay to 1/16th of its original mass?
How long would it take if that same sample were to lose 75% of its radioactive nuclei?

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