how many grams of acetylene could be burned by 16.0 g of oxygen

Answer 1

The formula for acetylene is C₂H₂

The balanced equation for the combustion of acetylene is...

2C₂H₂ + 5O₂ ==> 4CO₂ + 2H₂O

16.0 g O₂ x 1 mol O₂ / 32 g x 2 mol C₂H₂ / 5 mols O₂ x 26 g C₂H₂ / mol C₂H₂ = 5.20 g C₂H₂ combusted