Instructions on Test

There will be 10 questions on Using Limiting Reagent. You must get 10 out of 10 before you move onto the next subject, Percentage Yield. If you get a question wrong, go back and identify your error. If you found you miscalculated the Molar Mass, you should go back and look over the review. If you miscalculated the Limiting Reagent, go back and do the practice problems over again. Round to the nearest 10th if necessary.

Questions

1. For the balanced equation shown below, if 55.0 grams of C4H10S2 were reacted with 72.1 grams of O2, how many grams of CO2 would be produced?

2C4H10S2+19O2=>8CO2+10H2O+4SO3

 

2. For the balanced equation shown below, if 61.0 grams of H2S were reacted with 31.1 grams of SO2, how many grams of S would be produced?

2H2S+SO2=>3S+2H2O

 

3. For the balanced equation shown below, if 64.0 grams of NO were reacted with 27.3 grams of O2, how many grams of NO2 would be produced?

2NO+O2=>2NO2

 

 

4. For the balanced equation shown below, if 23.4 grams of Al were reacted with 133 grams of HCl, how many grams of AlCl3 would be produced?

2Al+6HCl=>2AlCl3+3H2

 

 

5. For the balanced equation shown below, if 67.9 grams of CCl4 were reacted with 7.63 grams of O2, how many grams of CO2 would be produced?

CCl4+O2=>CO2+2Cl2

 

 

6.For the balanced equation shown below, if 3.49 grams of C2H3Cl3 were reacted with 2.81 grams of O2, how many grams of Cl2 would be produced?

4C2H3Cl3+7O2=>8CO+6H2O+6Cl2

 

 

7. For the balanced equation shown below, if 52.9 grams of CO were reacted with 10.7 grams of H2, how many grams of CH3OH would be produced?

CO+2H2=>CH3OH

 

 

8. For the balanced equation shown below, if 2.88 grams of NO2 were reacted with 0.631 grams of H2O, how many grams of NO would be produced?

3NO2+H2O=>2HNO3+NO

 

 

9. For the balanced equation shown below, if 70.9 grams of C4H8O2 were reacted with 193 grams of O2, how many grams of H2O would be produced?

C4H8O2+5O2=>4CO2+4H2O

 

 

10.For the balanced equation shown below, if 66.7 grams of C4H10S2 were reacted with 92.1 grams of O2, how many grams of CO2 would be produced?

2C4H10S2+19O2=>8CO2+10H2O+4SO3

Answers.

1. Is the answer- a. 30.2 b. 40 or c. 41.8 
 

 

 



2. Is the answer- a. 70.5 b. 46.7  or c. 50.3
 

 

 

 3. Is the answer- a. 78.5 b. 93 or c. 60.3

 

 

 

 

4.Is the answer- a. 100 b. 110 or c. 116 

 

 

 

 

5. Is the asnwer. a. 10.5 b. 15.2 or c. 7.3
 

 

 

 



6. Is the answer- a. 2.8 b. 3.5 or c. 1.2
 

 

 

 

 7. Is the answer- a. 70 b. 60.5 or c. 55.8

 

 

 

 

8. Is the answer- a. 70.2 b. 60 or c. .63 
 

 

 

 



9. Is the answer- a. 60.2 b. 55.3 or c. 58 
 

 

 

 

10. Is the answer- a. 53.3 b. 55.7 or c. 48.9