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Nuclear-Chemistry Questions
A rock contains 0.688 mg of #"^206Pb# of every 1000 mg of #"^238U#. How do you calculate the age of the rock?
A sample of rock is known to be #4.2xx10^(9)# years old. It contains 1.235 g of U 238. What is the mass of Pb 206 present in the sample assuming all of it originated from the decay of U 238 which has a half life of #4.489xx10^9# years ?
A rock contains 0.688 mg of #"^206Pb# of every 1000 mg of #"^238U#. How do you calculate the age of the rock?
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