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Stoichiometry Worksheet PDF Details

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.

Question	Answer
Form Name	Stoichiometry Worksheet
Form Length	4 pages
Fillable?	No
Fillable fields	0
Avg. time to fill out	1 min
Other names	Fe203, beginning stoichiometry worksheet, stoichiometry worksheet, stoichiometry worksheet na2sio3

12

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 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	=
	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

2 KCl + 3 O2

2 KClO3

KEY

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

1.65 mol KClO3	3 mol O2	2.48 mol O2
	=	2.48 mol O2
	2 mol KClO3

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

3.50 mol KCl	2 mol KClO3	mol KClO3
	= 3.50	mol KClO3
	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
	=	2.73 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	= 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
=	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		= 49.3 g 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	= 1.66 g 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

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CzHsOH How many grams of O will be, g KClO, mol KClO g KClO, mol O mol KClO, g O mol O, g O, How many grams of KClO are needed, g KCl, mol KCl, mol KClO, g KClO, How many grams of KCl will be, g KCl, mol KCl, and mol KClO blanks to fill out

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