Answer to Question #254565 in General Chemistry for aljohn

Question #254565

The half life of Oxygen-15 is 2 minutes. What fraction of a sample of Oxygen-15 will remain after 5 half lives?

Expert's answer

Therefore halve lifes after 2 mins

100% =50% =12.5%= 6.25%= 3.125%

Therefore;

3.125/100 = 0.3125

0.3215 = 1/32

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