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Solution: How much energy is required to vaporize 22.7 g of dichlorome...

Question

How much energy is required to vaporize 22.7 g of dichloromethane (CH 2Cl2) at its boiling point, if its ΔHvap is 31.6 kJ/mol? The molar mass of dichloromethane is 84.9 g/mol?

a) 31.2 kJ

b) 8.45 kJ

c) 717 kJ

d) 15.4 kJ

e) 18.1 kJ