A rock from Australia contains 0.438 g of Pb-206 to every
Chapter 19, Problem 55E(choose chapter or problem)
Problem 55E
A rock from Australia contains 0.438 g of Pb-206 to every 1.00 g of U-238. Assuming that the rock did not contain any Pb-206 at the time of its formation, how old is the rock?
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