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Chemistry, 20.07.2019 15:00 Tcutety

Aradioactive isotope of potassium (k) has a half-life of 20 minutes. if a 36 gram sample of this isotope is allowed to decay for 80 minutes, how many grams of the radioactive isotope will remain?

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Aradioactive isotope of potassium (k) has a half-life of 20 minutes. if a 36 gram sample of this iso...
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