Mr. Albedo stumbled upon an unknown material in an abandoned laboratory. He believes that this material is radioactive. He brought it to his laboratory at Dragonspine for identification. Then, he obtained a sample weighing 7.499 g. After 24 hours, the weight of the sample decreased to 6.205 g. 1. Using the data gathered by Mr. Albedo, calculate the half-life (in hours) of the radioactive sample. Express answer in 3 SF. (2 pts)

Chemistry: The Molecular Science
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ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter18: Nuclear Chemistry
Section18.4: Rates Of Disintegration Reactions
Problem 18.6PSP
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Mr. Albedo stumbled upon an unknown material in an abandoned laboratory. He believes that this material is
radioactive. He brought it to his laboratory at Dragonspine for identification. Then, he obtained a sample weighing
7.499 g. After 24 hours, the weight of the sample decreased to 6.205 g.
1. Using the data gathered by Mr. Albedo, calculate the half-life (in hours) of the radioactive sample. Express answer
in 3 SF. (2 pts)
Transcribed Image Text:Mr. Albedo stumbled upon an unknown material in an abandoned laboratory. He believes that this material is radioactive. He brought it to his laboratory at Dragonspine for identification. Then, he obtained a sample weighing 7.499 g. After 24 hours, the weight of the sample decreased to 6.205 g. 1. Using the data gathered by Mr. Albedo, calculate the half-life (in hours) of the radioactive sample. Express answer in 3 SF. (2 pts)
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