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Answer to Question #91832 in Chemistry for Nick

Question #91832
Potassium-40 decays to argon-40 with a half life of 1.27 x 10^9 yr. What is the age of a rock in which the mass ratio of Argon-40 to potassium-40 is 4.2?
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Expert's answer
2019-07-22T07:23:40-0400
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