Percentage Yield Practice Problems
*Check answers on the answer sheet - if any are incorrect, please look at how they are done and if there were any calculation errors.*
1. For the balanced equation shown below, if the reaction of 14.7 grams of C4H8S produces an 87.1% yield, how many grams of H2O would be produced?
2C4H8S + 15O2 --> 8CO2 + 8H2O + 2SO3
2. For the balanced equation shown below, if the reaction of 56.5 grams of H2S produces a 45% yield, how many grams of HCl would be produced?
2BiCl3 + 3H2S --> Bi2S3 + 6HCl
3. For the balanced equation shown below, if the reaction of 24.1 grams of H2O produces a 36.3% yield, how many grams of HNO3 would be produced?
N2O5 + H2O --> 2HNO3
4. For the balanced equation shown below, if the reaction of 40.1 grams of HCl produces a 66.9% yield, how many grams of CaCl2 would be produced?
CaO + 2HCl --> CaCl2 + H2O
5. For the balanced equation shown below, if the reaction of 73.1 grams of O2 produces a 46.2% yield, how many grams of CO2 would be produced?
2C6H4Cl2 + 13O2 --> 12CO2 + 2H2O + 4HCl
6. For the balanced equation shown below, if the reaction of 48.8 grams of O2 produces a 49.2% yield, how many grams of H2O would be produced?
C4H10S + 8O2 --> 4CO2 + 5H2O + SO3
7. For the balanced equation shown below, if the reaction of 34.0 grams of C2H3F produces a 36.3% yield, how many grams of H2O would be produced?
2C2H3F + 3O2 --> 4CO + 2H2O + 2HF
8. For the balanced equation shown below, if the reaction of 18.1 grams of S produces a 50.1% yield, how many grams of Cu2S would be produced?
2Cu + S --> Cu2S
9. For the balanced equation shown below, if the reaction of 10.7 grams of C2H3OF produces a 54.0% yield, how many grams of HF would be produced?
C2H3OF + 2O2 --> 2CO2 + H2O + HF
10. For the balanced equation shown below, if the reaction of 99.6 grams of FeS2 produces a 68.1% yield, how many grams of Fe2O3 would be produced?
4FeS2 + 11O2 --> 2Fe2O3 + 8SO2
