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The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 × 10⁹ years. 9 Suppose nuclear chemical analysis shows that there is 0.897 mmol of argon-40 for every 1.000 mmol of potassium-40 in a certain sample of rock. Calculate the age of the rock. Round your answer to 2 significant digits. years X

The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 × 10⁹ years. 9 Suppose nuclear chemical analysis shows that there is 0.897 mmol of argon-40 for every 1.000 mmol of potassium-40 in a certain sample of rock. Calculate the age of the rock. Round your answer to 2 significant digits. years X

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter18: Nuclear Chemistry
Section: Chapter Questions
Problem 18.ACP
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The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 × 10⁹ years. Suppose nuclear chemical analysis shows that there is 0.897 mmol of argon-40 for every 1.000 mmol of potassium-40 in a certain sample of rock. Calculate the age of the rock. Round your answer to 2 significant digits. years x10 X ?
Transcribed Image Text:The half life for the radioactive decay of potassium-40 to argon-40 is 1.26 × 10⁹ years. Suppose nuclear chemical analysis shows that there is 0.897 mmol of argon-40 for every 1.000 mmol of potassium-40 in a certain sample of rock. Calculate the age of the rock. Round your answer to 2 significant digits. years x10 X ?
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