Mass to Mass Stoichiometry Problems

In the following problems, calculate how much of the indicated product is made. Show all your work.

1) LiOH + HBr à LiBr + H2O

If you start with ten grams of lithium hydroxide, how many grams of lithium bromide will be produced?

 

 

 

 

 

2) C2H4 + 3 O2 à 2 CO2 + 2 H2O

If you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced?

 

 

 

 

 

3) Mg + 2 NaF à MgF2 + 2 Na

If you start with 5.5 grams of lithium chloride, how many grams of calcium chloride will be produced?

 

 

 

 

 

4) 2 HCl + Na2SO4 à 2 NaCl + H2SO4

If you start with 20 grams of hydrochloric acid, how many grams of sulfuric acid will be produced?

Mass to Mass Stoichiometry Problems Answer Key

In the following problems, calculate how much of the indicated product is made. Show all your work.

1) LiOH + HBr à LiBr + H2O

If you start with ten grams of lithium hydroxide, how many grams of lithium bromide will be produced? 36.3 grams

 

 

 

 

 

2) C2H4 + 3 O2 à 2 CO2 + 2 H2O

If you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced? 141.4 grams

 

 

 

 

 

3) Mg + 2 NaF à MgF2 + 2 Na

If you start with 5.5 grams of lithium chloride, how many grams of calcium chloride will be produced? 9.3 grams

 

 

 

 

 

4) 2 HCl + Na2SO4 à 2 NaCl + H2SO4

If you start with 20 grams of hydrochloric acid, how many grams of sulfuric acid will be produced? 26.9 grams