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The half-life of a radioisotope is four hours. If the initial mass of the isotope was 200g,

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asked Mar 30, 2018 in Chemistry by paayal (26,720 points) ● 4 ● 6 ● 11

The half-life of a radioisotope is four hours. If the initial mass of the isotope was 200g, the mass remaining after 24 hours undecayed is
(a) 1.042g
(b) 2.084g
(c) 3.125g
(d) 4.167g.

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answered Mar 30, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Apr 1, 2018 by Vikash Kumar
 
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The half-life of a radioactive isotope is three hours.
asked Mar 30, 2018 in Chemistry by paayal (26,720 points)

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