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You are asked to prepare a sample of iodine‑131 for a radiation treatment. Its half‑life is 8.0197 days, it is a beta emitter, its atomic weight is 262 g/mol, and its density at room temperature is 4.933 g/cm3. How many grams m1 will you need to prepare a sample having an initial decay rate of 123 μCi? m1 = ? g If the sample is a spherical droplet, what will be its radius r? r = ? cm

You are asked to prepare a sample of iodine‑131 for a radiation treatment. Its half‑life is 8.0197 days, it is a beta emitter, its atomic weight is 262 g/mol, and its density at room temperature is 4.933 g/cm3. How many grams m1 will you need to prepare a sample having an initial decay rate of 123 μCi? m1 = ? g If the sample is a spherical droplet, what will be its radius r? r = ? cm

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter21: Nuclear Chemistry
Section: Chapter Questions
Problem 34E: The isotope 208Tl undergoes decay with a half-life of 3.1 min.. (a) What isotope is produced by the...
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You are asked to prepare a sample of iodine‑131 for a radiation treatment. Its half‑life is 8.0197 days, it is a beta emitter, its atomic weight is 262 g/mol, and its density at room temperature is 4.933 g/cm3.

How many grams m1 will you need to prepare a sample having an initial decay rate of 123 μCi?

m1 = ? g

If the sample is a spherical droplet, what will be its radius r?

r = ? cm

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