Answer to Question #233833 in Physical Chemistry for ines

Question

While driving your rental car on your vacation in Europe, you find that you are getting 11.5

 km/L of gasoline. What does this value correspond to in miles per gallon?

Answer 1

Using certain conversion factors, one can solve this by dimensional analysis.

1 mile = 1.61 kilometer

1 US gallon = 3.79 liter

11.5 km/L x 3,79 L/gal x 1 mile/1.61 km = 27.07 mi/gal