Chemistry, 06.03.2021 23:40 KillerSteamcar
Sodium-24 has a half-life of 15 hours. How much of a 20 mg sample would remain after two half-lives?
5 mg
2 mg
omg
10 mg
Answers: 2
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Sodium-24 has a half-life of 15 hours. How much of a 20 mg sample would remain after two half-lives?...
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