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How many mg of a 31-mg sample of calciul 47 remains after 45 days
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May 13, 2018
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How many mg of a 31-mg sample of calciul 47 remains after 45 days
Chemistry
middle-school
Martin Shishkov
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36 days is 8 half-life periods
K M Rakibul Islam
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May 15, 2018
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K M Rakibul Islam
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36 days is 8 half-life periods
Nwwatson
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May 17, 2018
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