Rubidium-87 decays by β production to strontium-87 with a half-life of 4.7 × 1010 years. What is the age of a rock sample that contains 109.6 µg 87Rb and 4.2 µg 87Sr ? Assume that no 87Sr was present when the rock was formed. The atomic masses are given in the table below:NuclideAtomic Mass87Rb86.9091987Sr86.90888

Since the Sr is forming by the decay of Rb Ans since 1 mole of Rb will decay to form 1 mole of Sr…

Answered: Rubidium-87 decays by β production to…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Rubidium-87 decays by β production to strontium-87 with a half-life of 4.7 × 10¹⁰ years. What is the age of a rock sample that contains 109.6 µg ⁸⁷Rb and 4.2 µg ⁸⁷Sr ?

Assume that no ⁸⁷Sr was present when the rock was formed.
The atomic masses are given in the table below:

Nuclide	Atomic Mass
⁸⁷Rb	86.90919
⁸⁷Sr	86.90888

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