GKFix MCQ Question

How is the percentage of carbon calculated from CO₂ obtained in combustion?

• A. % C = (44/12) × (mass of CO₂ / mass of compound) × 100
• B. % C = (12/18) × (mass of H₂O / mass of compound) × 100
• C. % C = (mass of CO₂ / mass of compound) × 100
• D. % C = (12/44) × (mass of CO₂ / mass of compound) × 100