You have 192 grams of a radioactive kind of iodine. How much will be left after 28 hours if its half-life is 7 hours?

Nkdm asked Feb 24, 2022

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6 votes

You have 192 grams of a radioactive kind of iodine. How much will be left

after 28 hours if its half-life is 7 hours?

Nkdm asked Feb 24, 2022

by Nkdm

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23 votes

Answer:

192/2= 96 g after 7h

96/2=48 g after 14h

48/2= 24 g after 21h

Pangpang answered Feb 28, 2022

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