A rock containing 238U and 206Pb was examined to determine its approximate age. The sample of a rock contained 1.689 g of 206Pb and 10.78 g 238U. Assuming no lead was originally present and that all lead formed from 238U remained in the rock, what is the age of the rock (in years)? The half-life of 238U is 4.500e+9 yr.
A rock containing 238U and 206Pb was examined to determine its approximate age. The sample of a rock contained 1.689 g of 206Pb and 10.78 g 238U. Assuming no lead was originally present and that all lead formed from 238U remained in the rock, what is the age of the rock (in years)? The half-life of 238U is 4.500e+9 yr.
Chapter19: The Nucleus: A Chemist's View
Section: Chapter Questions
Problem 76CWP
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A rock containing 238U and 206Pb was examined to determine its approximate age. The sample of a rock contained 1.689 g of 206Pb and 10.78 g 238U. Assuming no lead was originally present and that all lead formed from 238U remained in the rock, what is the age of the rock (in years)? The half-life of 238U is 4.500e+9 yr.
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