posted by Bridget .
Hi! I need help with my Chem homework.
"When acetylene, C2H2, burns, how many liters of O2 at STp are used for every mole of acetylene burned?"
(Balanced equation: 2 C2H2 + 5 O2 --> 4 CO2 + 2 H2O)
1 mol C2H2 x (5 mols O2/2 mols C2H2) = ?