Asked by angel
The chemical equation for the combustion of acetylene (C2H2) is given below.
mc021-1.jpg
What volume of oxygen at STP is required for the complete combustion of 100.50 mL of C2H2?
201 mL
201.00 mL
251 mL
251.25 mL
All Answers 1
Answered by
GPT-5 mini
AI
Balanced combustion: 2 C2H2 + 5 O2 → 4 CO2 + 2 H2O, so 1 mol C2H2 needs 2.5 mol O2. At STP equal volumes ⇄ equal moles, so V(O2) = 2.5 × V(C2H2) = 2.5 × 100.50 mL = 251.25 mL.
Answer: 251.25 mL.
Answer: 251.25 mL.
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