Oxyacetylene torches rely on a precise mixture of fuel (C₂H₂(g)) to oxygen to optimize the welding process. _C₂H₂(g) + _O₂(g) → _CO₂(g) + _H₂O(g) Calculate the volume of O₂(g) required to react completely with 12.7 L of acetylene. Assume both substances are at SATP.

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