Limiting Reagents 

QUIZ #1 - Finding the Limiting Reagent 

PS. Look out for the kitty - that means you're correct! 

1. For the balanced equation FeS+2HCl=>FeCl2+H2S,
what would the limiting reagent be if 67.9 grams of FeS were reacted with 87.4 grams of HCl?

FeS 

HCl


2. For the balanced equation 2H2S+3O2=>2H2O+2SO2,
what would the limiting reagent be if 21.1 grams of H2S were reacted with 40.4 grams of O2?

H2S 

O2

3. For the balanced equation 4C2H3O2F+7O2=>8CO2+6H2O+2F2,
what would the limiting reagent be if 69.7 grams of C2H3O2F were reacted with 35.9 grams of O2?

C2H3O2F 

O2


4. For the balanced equation 4C2H3Cl+7O2=>8CO+6H2O+2Cl2,
what would be the limiting reagent if 22.6 grams of C2H3Cl were reacted with 30.0 grams of O2?

C2H3Cl 

O2


5. For the balanced equation 2C3H6+9O2=>6CO2+6H2O,
what would the limiting reagent be if 49.7 grams of C3H6 were reacted with 91.8 grams of O2?

C3H6 

O2

6. For the balanced equation CH3COF+H2O=>CH3COOH+HF,
what would the limiting reagent be if 88.9 grams of CH3COF were reacted with 19.3 grams of H2O?

CH3COF

H2O

7. For the balanced equation N2O5+H2O=>2HNO3,
what would the limiting reagent be if 36.9 grams of N2O5 were reacted with 4.32 grams of H2O?

N2O5 

H2O


8. For the balanced equation C6H6S+6O2=>6CO+3H2O+SO3,
what would the limiting reagent be if 67.8 grams of C6H6S were reacted with 206 grams of O2?

C6H6S

 O2

9. For the balanced equation SiO2+3C=>SiC+2CO,
what would the limiting reagent be if 7.27 grams of SiO2 were reacted with 2.67 grams of C?

SiO2 

C


10. For the balanced equation 2C2H3O2Cl+O2=>4CO+2H2O+2HCl,
what would the limiting reagent be if 28.0 grams of C2H3O2Cl were reacted with 3.69 grams of O2?

C3H3O2Cl

 O2 



Now you can move on to learning how to use the limiting reagent !