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Chemistry, 12.03.2021 14:00 Destinywall

How long will it take for a 40.0 gram sample of I-131 (half-life = 8.4 days) to decay to 1/16 its original mass?

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How long will it take for a 40.0 gram sample of I-131 (half-life = 8.4 days) to decay to 1/16 its or...
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