Gasohol is a fuel that contains ethanol (C2H6O) that burns in oxygen (O2) to give carbon dioxide and water.
C2H6O(g) + 3O2(g) 2CO2(g) + 3H2O(g)
a. How many moles of O2 are needed to completely react with 4.0 mol of C2H6O?
b. If a car produces 88 g of CO2, how many grams of O2 are used up in the reaction?
c. If you add 125 g of C2H6O to your fuel, how many grams of CO2 can be produced from the ethanol?
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