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A particular smoke detector contains 3.75 µCi of 241 Am, with a half-life of 458 years. The isotope is encased in a thin aluminum container. Calculate the mass in grams of 241 Am in grams in the detector. 1 Ci = 3.7 x 10¹0 dps (disintegration per second) Molar mass of 241 Am = 241 g/mol 1.16 x 10-6 gram 8.73 x 108 2.12 x 10¹5 gram 1.34 x 10-5 8.49 x 107 gram gram gram

A particular smoke detector contains 3.75 µCi of 241 Am, with a half-life of 458 years. The isotope is encased in a thin aluminum container. Calculate the mass in grams of 241 Am in grams in the detector. 1 Ci = 3.7 x 10¹0 dps (disintegration per second) Molar mass of 241 Am = 241 g/mol 1.16 x 10-6 gram 8.73 x 108 2.12 x 10¹5 gram 1.34 x 10-5 8.49 x 107 gram gram gram

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter21: Nuclear Chemistry
Section: Chapter Questions
Problem 21.37QE
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A particular smoke detector contains 3.75 µCi of 241 Am, with a half-life of 458 years. The isotope is encased in a thin aluminum container. Calculate the mass in grams of 241 Am in grams in the detector. 1 Ci = 3.7 x 10¹0 dps (disintegration per second) Molar mass of 241 Am = 241 g/mol 1.16 x 10-6 gram 8.73 x 10-8 gram 2.12 x 1015 1.34 x 10-5 gram 8.49 x 10-7 gram gram
Transcribed Image Text:A particular smoke detector contains 3.75 µCi of 241 Am, with a half-life of 458 years. The isotope is encased in a thin aluminum container. Calculate the mass in grams of 241 Am in grams in the detector. 1 Ci = 3.7 x 10¹0 dps (disintegration per second) Molar mass of 241 Am = 241 g/mol 1.16 x 10-6 gram 8.73 x 10-8 gram 2.12 x 1015 1.34 x 10-5 gram 8.49 x 10-7 gram gram
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