A rock that contains 3.110_15 mol of 232Th (t1/2 _ 1.41010 yr) has 9.5104 fission
Chapter 24, Problem 24.47(choose chapter or problem)
A rock that contains 3.110_15 mol of 232Th (t1/2 _ 1.41010 yr) has 9.5104 fission tracks, each track representing the fission of one atom of 232Th. How old is the rock?
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