Freon-113,C₂Cl₃F₃,has an Enthalpy of Vaporization of 27

Multiple Choice

Freon-113,C₂Cl₃F₃,has an enthalpy of vaporization of 27.0 kJ/mol and a normal boiling point of 48.0 °C.What is the vapor pressure (in atm) of Freon-113 at 22.0 °C? (R = 8.314 J/K⋅mol)

A) 0.21 atm
B) 0.35 atm
C) 0.41 atm
D) 0.46 atm
E) 4.4 atm