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OpenStudy (medina13):
. What is the half-life of a 100.0 g sample of nitrogen-16 that decays to 12.5 g of nitrogen-16 in 21.6 s? Please help me :)
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Vocaloid (vocaloid):
new amount = original amount(0.5)^(time/x) where x = the length of a half life so plug everything in 12.5 = 100(0.5)^(21.6/x) solve for x
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