A rock contains 270 _mol of 238U (t1/2 _ 4.5109 yr) and 110 _mol of 206Pb. Assuming that
Chapter 24, Problem 24.43(choose chapter or problem)
A rock contains 270 _mol of 238U (t1/2 _ 4.5109 yr) and 110 _mol of 206Pb. Assuming that all the 206Pb comes from decay of the 238U, estimate the rocks age.
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