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cookant2013m cookant2013m
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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
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