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Potassium-40 decays to argon-40 with a half-life of 1.27 x 109 years. What is the age of a rock in which the mass ratio of argon-40 to potassium-40 is 3.6? A.-2.3 x 10 years B. 2.8 x 109 years C. 1.8 x 10 years D. 1.2 x 10 years E. 4.3 x 10 years Answer only: B PDF D PDF version

Potassium-40 decays to argon-40 with a half-life of 1.27 x 109 years. What is the age of a rock in which the mass ratio of argon-40 to potassium-40 is 3.6? A.-2.3 x 10 years B. 2.8 x 109 years C. 1.8 x 10 years D. 1.2 x 10 years E. 4.3 x 10 years Answer only: B PDF D PDF version

Chemistry
Chemistry
9th Edition
ISBN:9781133611097
Author:Steven S. Zumdahl
Publisher:Steven S. Zumdahl
Chapter19: The Nucleus: A Chemist's View
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Potassium-40 decays to argon-40 with a half-life of 1.27 x 109 years. What is the age of a rock in which the mass ratio of argon-40 to potassium-40 is 3.6? A.-2.3 x 10 years B. 2.8 x 109 years C. 1.8 x 10 years D. 1.2 x 10 years E. 4.3 x 10 years Answer only: B PDF D PDF version
Transcribed Image Text:Potassium-40 decays to argon-40 with a half-life of 1.27 x 109 years. What is the age of a rock in which the mass ratio of argon-40 to potassium-40 is 3.6? A.-2.3 x 10 years B. 2.8 x 109 years C. 1.8 x 10 years D. 1.2 x 10 years E. 4.3 x 10 years Answer only: B PDF D PDF version
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