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When it comes to learning chemistry, one of the most important things students must learn is stoichiometry. A great way to practice this skill is by using stoichiometry worksheets. These sheets can help students master the calculations necessary for solving problems related to chemical reactions. In addition, worksheets can also help students become better problem-solvers. There are many different types of stoichiometry worksheets available online, so finding the right one for your needs should be easy. However, before choosing a worksheet, it is important to understand what type you need. This article will discuss the different types of stoichiometry worksheets and how to choose the right one for your needs.

You'll discover info about the type of form you want to complete in the table. It will tell you how much time you'll need to fill out stoichiometry worksheet, what parts you will have to fill in, and so on.

QuestionAnswer
Form NameStoichiometry Worksheet
Form Length2 pages
Fillable?No
Fillable fields0
Avg. time to fill out30 sec
Other namesNaF, Na2CO3, Fe203, stoichiometry worksheet

Form Preview Example

Stoichiometry Worksheet and Key

2 KClO3 è 2 KCl + 3 O2

1. How many moles of O2 will be formed from 1.65 moles of KClO3?

1.65 mol KClO3

mol O2

mol O2

 

=

 

mol KClO3

 

2. How many moles of KClO3 are needed to make 3.50 moles of KCl?

3.50mol KCl

= mol KClO3

3. How many moles of KCl will be formed from 2.73 moles of KClO3?

=

4 Fe + 3 O2 è 2 Fe2O3

4. How many moles of Fe2O3 are produced when 0.275 moles of Fe is reacted?

0.275 mol Fe

= mol Fe2O3

5. How many moles of Fe2O3 are produced when 31.0 moles of O2 is reacted?

=

6. How many moles of O2 are needed to react with 8.9 moles of Fe?

=

2H2O è 2 H2 + O2

7.How many moles of O2 are produced when 1.26 moles of H2O is reacted?

8.How many moles of H2O are needed to produce 55.7 moles of H2?

9.If enough H2O is reacted to produce 3.40 moles of H2, then how may moles of O2 must have been made? (a bit challenging, but just think about it and you can probably figure it out)

2 KClO3 è 2 KCl + 3 O2

10. How many grams of O2 will be formed from 3.76 grams of KClO3?

 

3.76g KClO3 1 mol KClO3

mol O2

g O2 =

g O2

122.55 g KClO3

mol KClO3

mol O2

 

11. How many grams of KClO3 are needed to make 30.0 grams of KCl?

30.0 g KCl

mol KCl

mol KClO3

g KClO3

=

 

g KCl

mol KCl

mol KClO3

 

 

12.How many grams of KCl will be formed from 2.73 g of KClO3?

2.73g KClO3

=

4 Fe + 3 O2 è 2 Fe2O3

13. How many grams of Fe2O3 are produced when 42.7 grams of Fe is reacted?

42.7 g Fe

mol Fe

mol Fe2O3

g Fe2O3

 

g Fe

mol Fe

=

 

mol Fe2O3

14. How many grams of Fe2O3 are produced when 17.0 grams of O2 is reacted?

17.0 g O2

=

 

15. How many grams of O2 are needed to react with 125 grams of Fe?

=

Some cars can use butane (C4H10) as fuel:

 

2 C4H10 + 13 O2 è 8 CO2 + 10 H2O

 

16.

How many grams of CO2 are produced from the combustion of 100. grams of butane?

100. g C4H10

=

 

 

17.

How many grams of O2 are needed to react with of 100. grams of butane?

 

100. g C4H10

=

 

 

18 How many grams of H2O are produced when 5.38g of O2 is reacted?

 

g KClO3

g KCl

g Fe2O3

g Fe2O3

g CO2

g O2

KEY

2 KClO3 è 2 KCl + 3 O2

1. How many moles of O2 will be formed from 1.65 moles of KClO3?

3 mol O

=2.48

2 mol KClO3

2.How many moles of KClO3 are needed to make 3.50 moles of KCl?2mol O21.65 mol KClO3

3.50 mol KCl

2 mol KClO3

mol KClO3

 

= 3.50

 

2 mol KCl

 

3. How many moles of KCl will be formed from 2.73 moles of KClO3?

2.73 moles KClO3

2 mol KCl

2.73 mol KCl

 

=

 

2 mol KClO3

 

4 Fe + 3 O2 è 2 Fe2O3

4. How many moles of Fe2O3 are produced when 0.275 moles of Fe are reacted?

0.275 mol Fe

2 mol Fe2O3

=

0.138 mol Fe2O3

 

4 mol Fe

 

 

 

5. How many moles of Fe2O3 are produced when 31.0 moles of O2 are reacted?

31.0 mol O2

2 mol Fe2O3

= 20.7 mol Fe2O3

 

3 mol O2

 

 

6. How many moles of O2 are needed to react with 8.9 moles of Fe?

8.9 mol Fe

3 mol O2

=

6.7

mol O2

 

4 mol Fe

 

 

 

 

2H2O è 2 H2 + O2

7.How many moles of O2 are produced when 1.26 moles of H2O is reacted?

1.26mol H2O 1 mol O2= .630 mol O2 2 mol H2O

8.How many moles of H2O are needed to produce 55.7 moles of H2?

55.7mol H2 2 mol H2O = 55.7 mol H2O 2 mol H2

9.If enough H2O is reacted to produce 3.40 moles of H2, then how may moles of O2 must have been made? (a bit challenging, but just think about it and you can probably figure it out)

3.40 mol H2 1 mol O2

1.70

mol O2

=

2 mol H2

 

 

2 KClO3 è 2 KCl + 3 O2

10. How many grams of O2 will be formed from 3.76 grams of KClO3?

 

3.76g KClO3 1 mol KClO3

3 mol O2

32.00 g O2

= 1.47 g O2

122.55 g KClO3

2 mol KClO3

1 mol O2

 

11. How many grams of KClO3 are needed to make 30.0 grams of KCl?

30.0 g KCl

1 mol KCl

2

mol KClO3

122.55 g KClO3

= 49.3 g KClO3

 

74.55 g KCl

2

mol KCl

1 mol KClO3

12. How many grams of KCl will be formed from 2.73 g of KClO3?

2.73 g KClO3 1 mol KCl O3

2

mol KCl

74.55 g

= 1.66 g KCl

122.55 g KClO3

2

mol KCl O3

1 mol KCl

4 Fe + 3 O2 è 2 Fe2O3

13. How many grams of Fe2O3 are produced when 42.7 grams of Fe is reacted?

42.7 g Fe

1

mole Fe

2

mol Fe2O3

159.70 g Fe2O3

=

61.0 g Fe2O3

 

55.85

g Fe

4

mol Fe

1 mol Fe2O3

 

 

 

14. How many grams of Fe2O3 are produced when 17.0 grams of O2 is reacted?

=

56.6 g Fe2O3

17.0 g O2

1 mol O2

2 mol Fe2O3

159.70

g Fe2O3

 

 

 

 

 

 

 

 

 

32.00

g O2

3

mol O2

1 mol Fe2O3

 

 

15. How many grams of O2 are needed to react with 125 grams of Fe?

125 g Fe

1 mol Fe

3 mol O2

32.00 g O2

=

53.7

g O2

 

55.85

g Fe

4

mol Fe

1 mol O2

 

 

g

 

 

 

 

 

 

Some cars can use butane (C4H10) as fuel:

 

 

 

 

 

 

 

 

2 C4H10 + 13 O2 è 8 CO2 + 10 H2O

 

 

 

16. How many grams of CO2 are produced from the combustion of 100. grams of butane?

 

100. g C4H10

1 mol C4H10

8 mol CO2

44.01 g CO2

=

303

g CO2

 

58.14 g C4H10

2 mol C4H10

1 mol CO2

 

 

 

 

17. How many grams of O2 are needed to react with of 100. grams of butane?

100. g C4H10

1 mol C4H10

13 mol O2

32.00 g O2

=

358

g O2

 

58.14 g C4H10

2 mol C4H10

1 mol O2

 

 

 

 

18 How many grams of H2O are produced when 5.38g of O2 is reacted?

 

 

 

5.38g O2

1 mol O2

10 mol H2O

18.02 g H2O

=

2.33

g H2O

 

32.00 g O2

13 mol O2

1 mol H2O