The half life of a radioisotope is 4 hr....

The half life of a radioisotope is 4 hr. If the initial mass of the isotope was 200 g, the mass remaining after 24 hr undecayed is:

A

`3.125g`

B

`2.084g`

C

`1.042g`

D

`4.167g`

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The correct Answer is:

A

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