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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

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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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