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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Jay.M Jay.M
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5 years ago
A rock contains 0.313 mg of lead-206 for each milligram of uranium-238.  The half-life for the decay of uranium-238 to lead-206 is 4.5 x 109 yr.  The rock was formed ________ years ago.
A) 1.41 x 109
B) 1.08 x 109
C) 1.39 x 109
D) 2.00 x 109
E) 1.56 x 109
Textbook 
Chemistry: A Molecular Approach

Chemistry: A Molecular Approach


Edition: 4th
Author:
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Bwz1999Bwz1999
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