Question

1.      

2.     Freon-12 which has the formula CCl₂F₂ is used as a refrigerant in air conditioners and as a propellant in aerosol cans. Given a 5.56 mg sample of Freon-12:

a.      Calculate the number of molecules of Freon -12 in that sample

b.     How many mg of chlorine are in the sample?

Answer 1

a) $2.20×10 ^{19}$ Molecules

b) 0.00260 grams of Cl