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Sodium-24 is a beta emitter and it is used in examining circulation. The half life of Sodium-24 is 15.0 hours. What percentage of an enriched

Sodium-24 is a beta emitter and it is used in examining circulation. The half life of Sodium-24 is 15.0 hours. What percentage of an enriched sample of Sodium-24 remains after 60.0 hours?

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