Answer:
0.106 moles
Step-by-step explanation:
To solve this problem we will need to use Avogadro's number, it is the number of molecules (or atoms) in one mol.
We convert molecules into moles using that number:
6.38x10²² molecules ÷ 6.023x10²³ molecules/mol = 0.106 moles
There are 0.106 moles in 6.38x10²² molecules of CO₂.