This uses the formula :
(# of atoms/moluecules = mol * Avogadro's constant)
6.022*10^-23 is Avogadro's number which is the number atoms that are in a mol of atoms. So 1 mol has exactly 6.022*10^-23 atoms.
Therefore:
[tex]0.0334*(6.022*10^{-23}) = 2.01135*10^{-24}[/tex]