Mole Ratios

Mole Ratios

9th - 12th Grade

22 Qs

quiz-placeholder

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Mole Ratios

Mole Ratios

Assessment

Quiz

Chemistry

9th - 12th Grade

Hard

NGSS
HS-PS1-7, HS-PS1-2, HS-LS2-4

+1

Standards-aligned

Created by

Charles Martinez

FREE Resource

22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the equation 2 Al2O3 --> 4 Al + 3 O2, what is the mole ratio of aluminum to oxygen?
10:6 
3:4
4:3
2:3

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What can be determined from a balanced chemical equation?
Mole ratio of any two substances in the reaction
Energy released in the reaction.
Electron configuration of all elements in the reaction. 
Mechanism involved in the reaction. 

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Given the reaction: 4Al + 3O2 --> 2Al2O3
How many moles of Aluminum oxide do you have if you have 2 moles of Al?
3 mole
2 mole
1 mole
0.5 mole

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

N2 +  3H2 → 2NH3 
What is the mole ratio between Nitrogen and Ammonium in the above reaction?
1 moles NH3 / 2 moles N2 
2 moles NH3 / 1 moles N2 
2 moles N2 / 3 moles NH3 
1 moles N2 / 3 moles NH3 

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2Na + S -->Na2S
What is the total number of moles of S that reacts when 4.0 moles of Na were completely consumed?
1
2
0.5
4

6.

MULTIPLE CHOICE QUESTION

1 min • 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

7.

MULTIPLE CHOICE QUESTION

1 min • 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

Tags

NGSS.HS-LS2-4

NGSS.HS-PS1-2

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