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jcortese151 jcortese151
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4 years ago
The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The original mass of the Cs-131 sample is closest to


▸ 149 g

▸ 37 g

▸ 74 g

▸ 260 g

▸ 89 g
Textbook 
Chemistry: An Atoms First Approach

Chemistry: An Atoms First Approach


Edition: 3rd
Authors:
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mossandtossmossandtoss
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#2
3 years ago
Similar question:

The Cs-131 nuclide has a half-life of 30 years. After 120 years, 3.0 g remain. What is the original mass of the Cs-131 sample in grams?

Answer:
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#3
9 months ago
Help! The answer is missing an explanation...
Post Merge: 9 months ago
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#4
9 months ago
Just follow along the solution provided!
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