A sample contains 1.204×10241.204 × 10^{24}1.204×1024 formula units of ZnCl2ZnCl_2ZnCl2. How many moles of ZnCl2ZnCl_2ZnCl2 are present?
Avogadro constant = 6.02×10236.02 × 10^{23}6.02×1023 mol⁻¹.
0.5 mol
2 mol
4 mol
1 mol