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Unit 8 - Stoichiometry Review

Authored by Kathryn Allen

Chemistry

9th - 12th Grade

Used 10+ times

Unit 8 - Stoichiometry Review
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30 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which of the following shows the correct way to balance the chemical equation?
Fe + O2 -> Fe2O3

4Fe + 3O2 -> 2Fe2O3
2 Fe + 3O2 -> Fe2O6
4 Fe + O6 -> 2Fe2O3
None of the options are correctly balanced.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Balance this equation
_Zn+_HCl-->_ZnCl+_H2

1,1,2,1
1,1,1,2
1,2,1,1
2,1,1,1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from  6 moles H2

4 moles Fe
6 moles Fe
9 moles Fe
2 moles Fe

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

2.5
6
12
15

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

4NH+ 5O2-->4NO + 6H2O
What is the total number of moles of H2O produced when 12 mole of NH3 is completely consumed?

15
18
20
24

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

For the reaction represented by the equation Cl2 + 2KBr → Br2 + 2KCl, how many grams of potassium chloride can be produced from 356 grams potassium bromide?

749 g
225 g
479 g
814 g

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many grams are in 7.8 moles of NaCl?

476 grams

460 grams

452 grams

462 grams

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