H ws Half Life key - Conejo Valley Unified School … Chem/W… · 60 one half-life? after two...
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H ws Half Life key - Conejo Valley Unified School … Chem/W… · 60 one half-life? after two half-lives? ... If 25.0 grams of iodine-131 are left after 40 days, ... 125 Sample IS