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Gasoline is more volatile than water. What does this tell you about the boiling points of water and gasoline?

Gasoline isn't a pure substance.

Explanation:

A typical boiling range for gasoline is 100–400F. Gasoline has a vapor pressure of 7 psi in the summer, comparing it to water pressure it's less then 0.3 psi. For example if you spill water on a flat surface it might take a few minutes or hours to completly evapourate. Gasoline on the other hand it will evapurate within a few minutes, that's an example of volatility.  Hope this helps

fe 55.85 g/mol and h2o 18.02 g/mol.