Chemical Kinetics and Nuclear ChemistryEasy
Question
The half-life of a radioactive isotope is three hours. If the initial mass of the isotope were 256 g, the mass of it remaining undecayed after 18 hours would be
Options
A.8.0 g
B.12.0 g
C.16.0 g
D.4.0 g
Solution
t1/2 = 3 hrs. Initial mass (C0) = 256 g
∴ Cp =
∴ Cp =
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