Chemistry, 23.12.2021 01:00, breeannaalanizj2000

The half-life of bromine-74 is 25 minutes. How much of an 8.0 mg sample is still active after 125 minutes

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The half-life of bromine-74 is 25 minutes. How much of an 8.0 mg sample is still active after 125 mi...

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