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cookant2013m cookant2013m
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3 years ago
The half-life of cobalt-60 is 5.20 y. How many milligrams of a 1.000-mg sample remain after 6.55 years?

▸ 0.418

▸ 1.61 × 10-15

▸ 2.390

▸ 0.794

▸ 0.582
Textbook 
General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
Authors:
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701sm701sm
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3 years ago
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cookant2013m Author
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3 years ago
this is exactly what I needed
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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2 hours ago
Smart ... Thanks!
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