North South University CHE 101 FINAL EXAM PART “II” (TOTAL OF 20 POINTS) 1. (5 points) Acetylene gas (C2H2), used in oxy-acetylene welding, reacts with oxygen according to the following equation: 2 C2H2 + 5 O2 4 CO2 + 2 H2O f.w. 26.038 f.w. 31.9988 f.w. 44.010 f.w. 18.015 How many grams of O2 gas are needed to completely react with 125.0 grams of acetylene? (Ple ...[Show More]
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