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The .^(60)C isotope decays with a half l...

The `.^(60)C` isotope decays with a half life of 5.3 years. How long would it take for 7/8 of a sample of 500 mg of `.^(60)Co` to disintegrate?

A

21.2 years

B

15.9 years

C

10.6 years

D

5.3 years

Text Solution

Verified by Experts

The correct Answer is:
b
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