The Stoichiometry Worksheet form provides a structured method for calculating the amounts of reactants and products in chemical reactions. By guiding users through a series of equations and conversions, it simplifies complex stoichiometry problems, turning them into manageable tasks. For students, educators, or professionals in need of elucidating these chemical relationships, clicking the button below will help in accurately filling out the form.
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Stoichiometry Worksheet PDF Details
The Stoichiometry Worksheet form serves as an essential tool for students and professionals dealing with chemical equations, facilitating a deeper understanding of the stoichiometric relationships between reactants and products in chemical reactions. This document, consisting of a series of targeted questions and a key for correct answers, guides users through the process of calculating the moles and grams of substances involved in various chemical reactions. Through questions that range from the decomposition of potassium chlorate (KClO3) to the combustion of butane (C4H10), learners can explore how different quantities of reactants lead to specific amounts of products, drawing connections between theoretical calculations and practical applications. This form not only includes straightforward calculations, such as determining how many grams of oxygen (O2) are produced from a given amount of potassium chlorate, but also challenges users with more complex scenarios, like the amount of water (H2O) produced from the reaction of oxygen. Whether for educational purposes or practical applications in a laboratory setting, the Stoichiometry Worksheet form is a valuable resource for mastering the principles of stoichiometry, featuring a wide array of exercises that cover key concepts and calculation strategies.
| 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 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
2 KCl + 3 O2
2 KClO3
KEY
è
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 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 | ||
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 | ||||
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The system will ask you for data to automatically fill up the section 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.
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