GKFix MCQ Question

What is the formula for calculating percentage of hydrogen from H₂O?

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