During the reaction N₂ + 3H₂ → 2NH₃, complete reaction of 67.2 L of hydrogen at STP produces

A. 22.4 L of NH₃

B. 33.6 L of NH₃

C. 44.8 L of NH₃

✓

D. 67.2 L of NH₃

📝 Explanation

Gas volumes at the same conditions follow mole ratios. Three volumes of H₂ produce two volumes of NH₃. Therefore, 67.2 L H₂ (3 × 22.4 L) yields 44.8 L NH₃ (2 × 22.4 L). Concept tested: Gas volume stoichiometry at STP.

📖 Additional Information

22.4 L of NH₃
33.6 L of NH₃
44.8 L of NH₃
67.2 L of NH₃

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