Toluene, c7h8, has both a higher vapor pressure than water at 25 ã‚åÿc and a higher normal boiling point. which statement best explains these observations? (a) liquids with higher vapor pressures typically have higher boiling points. (b) toluene has a higher molar mass than water. (c) toluene has a lower heat of vaporization than water. (d) the density of toluene vapor is greater than that of water vapor.