Theoretical Yield Practice Problems
*Please go to the answer sheet to check for all answers to theoretical yield problems*
1. For the balanced equation shown below, if the reaction of 35.9 grams of CH3Cl produces 6.92 grams of H2O, what is the percent yield?
4CH3Cl + 7O2 --> 4CO2 +6H2O + 2Cl2
2. For the balanced equation shown below, if the reaction of 32.7 grams of CH2Cl produces 2.21 grams of H2O, what is the percent yield?
2CH2Cl2 + 3O2 --> 2CO2 + 2H2O + 2Cl2
3. For the balanced equation shown below, if the reaction of 23.1 grams of O2 produces 69.8 grams of CO, what is the percent yield?
2C2H3O2Br + O2 --> 4CO + 2H2O + 2HBr
4. For the balanced equation shown below, if the reaction fo 94.9 grams of C3H6 produces 152 grams of CO, what is the percent yield?
C3H6 + 3O2 --> 3CO + 2H2O
5. For the balanced equation shown below, if the reaction of 63.5 grams of H2O produces 178 grams of Fe3O4, what is the percent yield?
3Fe + 4H2O --> Fe3O4 + 4H2
6. For the balanced equation shown below, if the reaction of 59.5 grams of H2O produces 5.84 grams of H2, what is the percent yield?
CaH2 + 2H2O --> Ca(OH)2 + 2H2
7. For the balanced equation shown below, if the reaction of 0.0228 grams of C3H6O produces 0.0381 grams of CO2, what is the percent yield?
C3H6O + 4O2 --> 3CO2 + 3H2O
8. For the balanced equation shown below, if the reaction of 63.6 grams of C2H5NSCl produces 24.4 grams of CO, what is the percent yield?
4C2H5NSCl + 15O2 --> 8CO + 10H2O + 4NO + 4SO2 + 2Cl2
9. For the balanced equation shown below, if the reaction of 22.5 grams of O2 produces 2.49 grams of H2O, what is the percent yield?
4C2H3Cl + 11O2 --> 8CO2 + 6H2O + 2Cl2
10. For the balanced equation shown below, if the reaction of 7.19 grams of H3PO3 produces 5.19 grams of H3PO4, what is the percent yield?
4H3PO3 --> 3H3PO4 + PH3
