Chloroform, CHCl₃, a volatile liquid, was once used as an anesthetic but has been replaced by safer compounds. Chloroform boils at 61.7°C and has a heat of vaporization of 31.4 kJ/mol. What is its vapor pressure at 37.2°C?
a) 21.8 kPa
b) 34.5 kPa
c) 45.3 kPa
d) 57.2 kPa