Chemistry, 22.03.2021 22:30 hhh976

How much of a 500 gram sample of potassium -42 is left after 32.7 hours if the half life of potassium -42 is 12.4 hours? PLEASE PLEASE HELP ME

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How much of a 500 gram sample of potassium -42 is left after 32.7 hours if the half life of potassiu...

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