Acetylene gas CzHz burns in the oxyacetylene torch for welding. How many grams of C₂ H₂ are burned if
the reaction produces 75.0 g CO₂ 2 C₂H₂ (g) + 5 O2 (9) 4 CO₂ (9) + 2 H₂O(g).

a. 88.6 g C₂H₂
b. 44.3 g C₂H₂
c. 22.2 g C₂H₂₂