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The naturally occurring isotope rubidium-87 decays by beta emission to strontium-87. This decay is the basis of a method for determining the ages of rocks. A sample of rock contains 123.0 ug 87 Rb and 5.5 ug 8" Sr. What is the age of the rock? The half-life of rubidium-87 is 4.8 x 1010 y. There was no strontium-87 in the rock initially. Age =|

The naturally occurring isotope rubidium-87 decays by beta emission to strontium-87. This decay is the basis of a method for determining the ages of rocks. A sample of rock contains 123.0 ug 87 Rb and 5.5 ug 8" Sr. What is the age of the rock? The half-life of rubidium-87 is 4.8 x 1010 y. There was no strontium-87 in the rock initially. Age =|

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 39E: A sample of rock was found to contain 8.23 mg of rubidium-87 and 0.47 mg of strontium-87.. (a)...
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The naturally occurring isotope rubidium-87 decays by beta emission to strontium-87. This decay is the basis of a method for determining the ages of rocks. A sample of rock contains 123.0 ug 8" Rb and 5.5 ug 8 Sr. What is the age of the rock? The half-life of rubidium-87 is 4.8 x 1010 y. There was no strontium-87 in the rock initially. Age =
Transcribed Image Text:The naturally occurring isotope rubidium-87 decays by beta emission to strontium-87. This decay is the basis of a method for determining the ages of rocks. A sample of rock contains 123.0 ug 8" Rb and 5.5 ug 8 Sr. What is the age of the rock? The half-life of rubidium-87 is 4.8 x 1010 y. There was no strontium-87 in the rock initially. Age =
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