Determine the number of atoms contained in 1 liter of nitrogen.

It is necessary to determine the number of atoms contained in 1 liter of nitrogen.
We know the following formula
n = N / Na = V / Vm
Where N is the number of atoms,
Na is Avogardo’s constant number, three equal to 6.02 × 10 ^ 23.
V is the volume of gas,
V m is the molar volume, which has a constant value of 22.4 g / mol.
We express from this formula N and get the following:
N = Na × V / Vm
We substitute and get the following solution:
N = 6.02 × 10 ^ 23 × 1 / 22.4 = 0.27 × 10 ^ 23 = 2.7 × 10 ^ 22.
Answer: the number of atoms in 1 liter of nitrogen is 2.7 × 10 ^ 22.