Quiz about Mol-Mol Stoichiometry

Question 1

6CO₂+ 6H₂O --> C₆H₁₂O₆ + 6O₂

What is the total number of moles of carbon dioxide is needed to make 10 moles of oxygen gas?

Accepted Answer

10 moles

Answer

6 moles

Answer

0.20 moles

Answer

1 mole

Question 2

Which of the following represent a mole ratio between silver nitrate and copper(II) nitrate in the following reaction:
2AgNO₃ + Cu --> Cu(NO₃)₂ + 2Ag

Accepted Answer

2 mol AgNO₃ / 1 mol Cu(NO₃)₂

Answer

2 mol AgNO₃ / 2 mol Ag

Answer

2 mol Ag / 2 mol AgNO₃

Answer

2 mol AgNO₃ / 2 mol Cu(NO₃)₂

Question 3

For the following reaction, how many moles of silver is produced, if 10 moles of silver nitrate is completely reacted during the reaction?
2AgNO₃ + Cu --> Cu(NO₃)₂ + 2Ag

Accepted Answer

10 moles

Answer

2 moles

Answer

2.5 moles

Answer

5 moles

Question 4

How many moles of ethane (C₂H₆) are required to produce 13.5 moles of water from the above reaction?

Accepted Answer

4.5 mol C₂H₆

Answer

27 mol C₂H₆

Answer

40.5 mol C₂H₆

Answer

81 mol C₂H₆

Question 5

What is the mole ratio between N₂and NH₃ in the above reaction?

Accepted Answer

2 moles NH₃ / 1 moles N₂

Answer

1 moles NH₃ / 2 moles N₂

Answer

2 moles N₂ / 3 moles NH₃

Answer

1 moles N₂ / 3 moles NH₃

Question 6

6CO₂+ 6H₂O --> C₆H₁₂O₆ + 6O₂
What is the total number of moles of water needed to make 2.5 moles of C₆H₁₂O₆?

Accepted Answer

15

Answer

2.5

Answer

6

Answer

12

Question 7

How many moles of oxygen are produced when 6.7 moles of KClO₃ decompose completely?

Accepted Answer

10.1 mol

Answer

6.7 mol

Answer

1.0 mol

Answer

4.5 mol

Question 8

How many moles of KCl are used when 6.7 moles of KClO₃ decompose completely?

Accepted Answer

6.7 mol

Answer

1.0 mol

Answer

10.1 mol

Answer

4.5 mol

Question 9

How many moles of CO₂ is produced when 17.5 moles of O₂ reacts fully?

Accepted Answer

10

Answer

4

Answer

7

Answer

30.63

Question 10

N₂ + 3H₂ --> 2NH₃

How many moles of NH₃ is produced from 6 moles of N₂?

Accepted Answer

4 moles

Answer

3 moles

Answer

2 moles

Answer

1.5 moles

Question 11

N₂ + 3H₂ --> 2NH₃

If you want to produce 10 moles of NH₃, how many moles of H₂ do you need?

Accepted Answer

15 moles

Answer

3.33 moles

Answer

10 moles

Answer

6 moles

Question 12

6CO₂+ 6H₂O --> C₆H₁₂O₆ + 6O₂

How many moles of glucose can be produced from 6 moles of water?

Accepted Answer

1 mole

Answer

.666

Answer

12 moles

Answer

6 moles

Question 13

In the reaction $$2H_2 + O_2 \rightarrow 2H_2O$$ , how many moles of water are produced from 5 moles of oxygen?

Accepted Answer

10 moles

Answer

5 moles

Answer

2.5 moles

Answer

20 moles

Question 14

For the reaction $$N_2 + 3H_2 \rightarrow 2NH_3$$ , what is the mole ratio of hydrogen to ammonia?

Accepted Answer

3:2

Answer

1:1

Answer

2:3

Answer

1:2

Question 15

In the combustion of propane $$C_3H_8 + 5O_2 \rightarrow 3CO_2 + 4H_2O$$ , how many moles of carbon dioxide are produced from 2 moles of propane?

Accepted Answer

6 moles

Answer

3 moles

Answer

9 moles

Answer

12 moles

Question 16

If 8 moles of hydrogen gas react with nitrogen gas according to the equation $$N_2 + 3H_2 \rightarrow 2NH_3$$ , how many moles of ammonia are produced?

Accepted Answer

5.33 moles

Answer

8 moles

Answer

2.67 moles

Answer

10.67 moles

Question 17

In the reaction $$2KClO_3 \rightarrow 2KCl + 3O_2$$ , how many moles of oxygen gas are produced from 4 moles of potassium chlorate?

Accepted Answer

6 moles

Answer

2 moles

Answer

3 moles

Answer

12 moles

Question 18

For the reaction $$4Fe + 3O_2 \rightarrow 2Fe_2O_3$$ , how many moles of iron(III) oxide are produced from 8 moles of iron?

Accepted Answer

4 moles

Answer

2 moles

Answer

6 moles

Answer

8 moles

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