Answer: The number of atoms in given amount of oxygen gas is

Step-by-step explanation:
According to the mole concept:
1 mole of a substance contains
number of atoms.
We are given:
Moles of oxygen gas = 1 mole
So, the number of atoms that will be present in 1 mole of oxygen gas will be
number of atoms.
Hence, the number of atoms in given amount of oxygen gas is
