Answer to Question #221050 in General Chemistry for Day

Question #221050

Krypton-81 is used for lung ventilation studies. Its half-life is 13 3. How long will it take for 100 cpm (counts per minute) to decrease in activity to 25 cpm?



1
Expert's answer
2021-07-28T07:45:35-0400

Time (t) =26 seconds


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