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MDCAT Chemistry Paper 2025 #Percentage Yield #Stoichiometry

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For the reaction N₂ + 3H₂ → 2NH₃, 56 g N₂ reacts with 12 g H₂ and produces 51 g NH₃. The theoretical yield and percentage yield are: (IBA MDCAT 2025)

Verified Answer & Explanation⌄

Correct Answer: A) TY = 68 g and PY = 75%

Concept Explanation

56 g N₂ = 2 mol and 12 g H₂ = 6 mol, so 4 mol NH₃ = 68 g is the theoretical yield. Percentage yield = (51/68) × 100 = 75%.

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