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?
b) 0.00260 grams of Cl