For a Standard Airbag, 131 G of Sodium Azide (65

For a standard airbag, 131 g of sodium azide (65.00 g/mol) is required to generate enough gas to adequately fill the airbag. How many formula units of sodium azide are needed?

A) 3.35 10^-24 formula units
B) 1.21 10²⁴ formula units
C) 7.89 10²⁵ formula units
D) 1.41 10^-20 formula units
E) 5.13 10²⁷ formula units