GKFix MCQ Question

In Problem 5.14, why is the mole fraction of NO₂ twice that of the dissociated N₂O₄?

• A. Because NO₂ is lighter
• B. Because pressure doubles
• C. Because the stoichiometry produces 2 moles of NO₂ for every mole of N₂O₄ dissociated
• D. Because temperature increases the yield