# Problem: The effect of chlorofluorocarbons (such as CCl2F2) on the depletion of the ozone layer is well known. The use of substitutes, such as CH3CH2F(g), for the chlorofluorocarbons, has largely corrected the problem. Calculate the volume occupied by 10.0 g of each of these compounds at STP:(a) CCl2F2(g)

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###### FREE Expert Solution

$\overline{){\mathbf{PV}}{\mathbf{=}}{\mathbf{nRT}}}$

Step 1: Calculate moles

molar mass CCl2F2 = 120.91 g/mol

= 0.08271 mol CCl2F2

Step 2: Calculate volume

At STP:

P = 1 atm

T = 0 ˚C + 273 = 273 K

Solving for the volume:

###### Problem Details

The effect of chlorofluorocarbons (such as CCl2F2) on the depletion of the ozone layer is well known. The use of substitutes, such as CH3CH2F(g), for the chlorofluorocarbons, has largely corrected the problem. Calculate the volume occupied by 10.0 g of each of these compounds at STP:

(a) CCl2F2(g)