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Chemistry, 25.03.2020 22:25 simrankaurdhatt

Neptunium-240 has a half-life of 1 hour. If you start with a 200-gram sample, how much will remain after 4 hours?

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Neptunium-240 has a half-life of 1 hour. If you start with a 200-gram sample, how much will remain a...
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