100 cm³ of N₂ is reacted with 75 cm³ of H₂ to form NH₃ (N₂ + 3H₂ → 2NH₃). What is the total volume of the residual gases?
University of Ilorin CHM101 2026-exam past question
- 225 cm³
- 150 cm³
- 125 cm³
- 175 cm³
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