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chemDO chemDO
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8 years ago
The half-life for beta decay of strontium-90 is 28.8 years. A milk sample is found to contain 10.3 ppm strontium-90. How many years would pass before the strontium-90 concentration would drop to 1.0 ppm?
A) 131
B) 0.112
C) 92.3
D) 186
E) 96.9
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Chemistry - The Central Science

Chemistry - The Central Science


Edition: 13th
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shutchkashutchka
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Chemistry Major, 2019

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chemDO Author
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#2
8 years ago
Got 10/10 on my quiz, thanks!
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#3
8 years ago
Thank you for the feedback, feeds my self esteem lol
Chemistry Major, 2019
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