The half-life of 238 U is 4.5 * 10 9 yr. A sample of rock of mass

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The half-life of ²³⁸U is 4.5 * 10⁹ yr. A sample of rock of mass 1.6 g produces 29 dis/s. Assuming all the radioactivity is due to ²³⁸U, find the percent by mass of ²³⁸U in the rock.

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Chemistry A Molecular Approach

ISBN: 9780134874371

5th Edition

Authors: Nivaldo Tro

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Question Posted: Nov 25, 2023 10:19 PM

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The half-life of 238 U is 4.5 * 10 9 yr. A sample of rock of mass

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Chemistry A Molecular Approach

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