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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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lulalu lulalu
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5 years ago
The half-life of cobalt-60 is 5.20 yr. How many milligrams of a 2.000-mg sample remain after 6.55 years?
A) 0.837
B) 3.23  10-15
C) 4.779
D) 1.588
E) 1.163
Textbook 
Chemistry: A Molecular Approach

Chemistry: A Molecular Approach


Edition: 4th
Author:
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ruthalvarezruthalvarez
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5 years ago
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4 years ago
thanks
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