Question

What is the mass of gasoline consumed in kg (assume gasoline is made of octane, d=703 kg/m^3)?

Answer 1

Step-by-step explanation:

Is the equation above stoichiometrically balanced? (And what does stoichiometric mean?). This equation tells us that for each mole of octane (each 116 g!), 8 moles of carbon dioxide (

8

×

44

⋅

g

) will result. Now the question tells us that 1.8 gallons of gas have been consumed.