GKFix MCQ Question

Why is the molecular mass of N₂O₄ taken as 92 g/mol in Problem 6.8?

• A. It's an approximation
• B. Based on average isotopes
• C. Because N₂O₄ has 2 nitrogen atoms (14×2=28) and 4 oxygen atoms (16×4=64), totaling 92 g/mol
• D. It's arbitrary