When a mixture of 10.0 g of acetylene (C2H2); and 10.0 g of oxygen (O2) is ignited,

Question:

When a mixture of 10.0 g of acetylene (C2H2); and 10.0 g of oxygen (O2) is ignited, the resultant combustion reaction produces CO2 and H2O.
(a) Write the balanced chemical equation for this reaction.
(b) Which is the limiting reactant?
(c) How many grams of C2H2, O2, CO2, and H2O are present after the reaction is complete?