CS2+3O2 --> CO2+2SO2

Question

What is the volume of sulfur dioxide, in milliliters,produced when 27.9 mL O2 reacts with carbon disulfide

Answer 1

For gas problems like this you may take a shortcut and use volume as mols.
27.3 mL O2 x (2 mols SO2/3 mols O2) = ? mL SO2.