A radioactive isotope has a half-life of 2.0 years. The fraction of a pure sample of the isotope
2 answers:
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Answer:
The answer is
<h2>12,574,750.83 moles</h2>Explanation:
In order to find the moles of CO2 we use the formula
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question
N = 7.57 × 10^30 molecules of CO2
We have
We have the final answer as
<h3>12,574,750.83 moles</h3>Hope this helps you