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Answer :
Answer:
37.1g are produced
Explanation:
The combustion of C₈H₁₈ is:
C₈H₁₈ + 25/2O₂ → 8CO₂ + 9H₂O
Where 1 mole of C₈H₁₈ produce 8 moles of CO₂
To find the mass of CO₂ that is produced we need to convert the mass of C₈H₁₈ with molar mass. Then, with the chemical equation, we can find the moles of CO₂ and its mass, as follows:
Moles C₈H₁₈ -Molar mass: 114.2g/mol-
12g C₈H₁₈ * (1mol / 114.2g) = 0.105 moles of C₈H₁₈
Moles CO₂:
As 1 mole of C₈H₁₈ produce 8 moles of CO₂, 0.105 moles of C₈H₁₈ produce:
0.105 moles of C₈H₁₈ * (8moles CO₂ / 1mole C₈H₁₈) = 0.84 moles of CO₂
Mass CO₂ -Molar mass: 44.01g/mol-:
0.84 moles of CO₂ * (44.01g / mol) = 37.0g of CO₂ ≈
37.1g are produced
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