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The half-life of ""^(24)Na is 15.0 hours...

The half-life of `""^(24)Na `is 15.0 hours. For `7//8` of a sample of this nuclide to decay, it will take (you may use : In 2 = 0.693, In 8=2.079, In 10 = 2.303)

A

45.0 hours

B

30.4 hours

C

34.8 hours

D

43.8 hours

Text Solution

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The correct Answer is:
C
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