oliviagoose oliviagoose

22-05-2023
Chemistry

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A moon rock collected by a U.S. Apollo mission is estimated to be 4.40 billion years old by uranium/lead dating. Assuming that the rock did not contain any lead when it was formed, what is the current mass of Pb206 in the rock, if it currently contains 1.130g of U238? The half-life of U238 is 4.47×109 years

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