how much energy is required to vaporize 98.6 g of ethanol?
How much energy is required to vaporize 98.6 g of ethanol (C2H5OH) at its boiling point, if its ΔHvap is 40.5 kJ/mol? 52.8 kJ 11.5 kJ 86.7 kJ 39.9 kJ 18.9 kJ.