a. How much of a 256 g chromium-51 sample (half-life 28 days) remains after 84 days?b. How much of a 160 mg iodine-131 sample (half-life 8.0 days) remains after 32 days?

In radioactive decay, the quantity of radioactive matter remaining after time t is given…

Answered: a. How much of a 256 g chromium-51…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter19: Nuclear Chemistry

Section: Chapter Questions

Problem 56AP

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a. How much of a 256 g chromium-51 sample (half-life 28 days) remains after 84 days? b. How much of a 160 mg iodine-131 sample (half-life 8.0 days) remains after 32 days?