What is percent yield in a chemical reaction?
Understanding Percent Yield
Percent yield of a reaction is the ratio of its actual yield to the theoretical yield multiplied by 100. It is a measure of the efficiency of a chemical reaction in producing the expected amount of product.
Calculation of Percent Yield
From the balanced chemical equation of the reaction:
CSâ + 3Clâ â CClâ + SâClâ
Molar mass of CSâ = 76 g/mol
Molar mass of CClâ = 154 g/mol
Mass of CClâ produced from 46.9 g of CSâ:
46.9 Ã 154/76 = 95.03 g
Therefore, the theoretical yield is 95.03 g.
Actual yield = 56.5 g
Percent yield = 56.5/95.03 Ã 100 = 59.4 %
Conclusion
Thus, the percent yield of the reaction involving carbon disulfide and chlorine is 59.4%, indicating that 59.4% of the expected product was obtained in the actual reaction.