Answer
$$0.4630 molsCF_{2}Cl_{2}$$
Work Step by Step
Use molar mass to convert from grams to moles.
$55.98g CF_{2}Cl_{2}\times\frac{1 mol CF_{2}Cl_{2}}{120.9135 g CF_{2}Cl_{2}} = 0.4630 mols CF_{2}Cl_{2}$
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