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Chemistry 18 Online
OpenStudy (babyslapmafro):

Please help me solve the following problem. The isotope carbon-II is used in biomedical imaging and has a half-life of 20.39 minutes. Ifthe imaging agent had an initial rate of 7500 decays per minute (dpm) and if the imagine required 1 hour to complete, what would the decay rate be immediately after the test is completed?

OpenStudy (aaronq):

What fraction of the substance would you have after 1 hour has passed? Scale the initial to this fraction.

OpenStudy (aaronq):

What fraction of the substance would you have after 1 hour has passed? Use this to find the rate after the hour.

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