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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?
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3 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?

User Robert Petz
by
7.7k points

1 Answer

5 votes

Answer:

192/2= 96 g after 7h

96/2=48 g after 14h

48/2= 24 g after 21h

24/2= 12 g after 28h

User Supertech
by
8.6k points
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