GKFix MCQ Question

How is the percentage of hydrogen calculated from water formed in combustion?

• A. % H = (1/18) × (mass of H₂O / mass of compound) × 100
• B. % H = (16/18) × (mass of H₂O / mass of compound) × 100
• C. % H = (mass of H₂O / mass of compound) × 100
• D. % H = (2/18) × (mass of H₂O / mass of compound) × 100