GKFix MCQ Question

How is the percentage of sulphur calculated from BaSO4?

• A. (32/233) × (mass of BaSO4 / mass of compound) × 100
• B. (233/32) × (mass of BaSO4 / mass of compound) × 100
• C. (32/44) × (mass of CO2 / mass of compound) × 100
• D. (62/222) × (mass of Mg2P2O7 / mass of compound) × 100