Key: to use the conversion factor correctly. Conversion factor-a fraction whose numerator and denominator are the same quantity expressed in different units. Given unit Converting units: If a woman has a mass of 115lb, what is her mass in grams? Given Unit (lb) A car travels 28mi per gallon of gasoline. How many kilometers per liter will it go? What is the molarity of 1.00 g/L ethanol solution? What is the mass in grams of 1.00 gal of water? The density of water is 1.00g/mL?
