Question
calculate the mass of carbon dioxide that would be produced when one gas of tank of gasoline (use octane) is burned in the air. assume an 80 liter gas tank and 0.703 g/ml as the density of octane
Answers
2C8H18 + 25O2 --> 16CO2 + 18H2O
80L gasoline.
mass = volume x density = 80,000 mL x 0.703 g/mL = ?
mols octane = grams/molar mass octane = ?
Using the coefficients in the balanced equation, convert mols octane to mols CO2.
Now convert mols CO2 to mass. grams CO2 = mols CO2 x molar mass CO2
80L gasoline.
mass = volume x density = 80,000 mL x 0.703 g/mL = ?
mols octane = grams/molar mass octane = ?
Using the coefficients in the balanced equation, convert mols octane to mols CO2.
Now convert mols CO2 to mass. grams CO2 = mols CO2 x molar mass CO2
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