Answer:
The answer is
2.0 moles
Step-by-step explanation:
To find the number of moles of an element given the number of entities contained in that element , 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 = 1.204 × 10²⁴ lithium atoms
We have
We have the final answer as
2 moles
Hope this helps you