Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide

Question

Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 49. g of butane is mixed with 150. g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction.

Explanation / Answer

2C4H10(g) + 13 O2(g) --> 8CO2(g) + 10H2O(g) formula mass C4H10 = 58.123 g/mol formula mass H2O = 18.015 g/mol Here, O2 is the limiting reagent. water produced = 10 mol H2O/13 mol butane * mass Oxygen/formula mass oxygen * formula mass H2O water produced = 10/13* 150 g / 32 g/mol * 18.015 g/mol = 64.958 g

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