How does the quantum theory of atoms explain the nature of the emission-line spectrum of hydrogen?
1 answer:
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Answer:
<h2>The answer is option D</h2>Explanation:
To find the number of moles in a substance given it's number of entities 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 we have
We have the final answer as
<h3>1.20 moles</h3>Hope this helps you