Chemistry, 18.12.2020 01:30 hdjsjshshsh

The half-life of Pa-234 is 6.75 hours. If a sample of Pa-234 contains 12.0 g, how much will remain after 27.0 hours?

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The half-life of Pa-234 is 6.75 hours. If a sample of Pa-234 contains 12.0 g, how much will remain...

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