Mole Ratios
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Teresa Guth
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Balance this equation.
_SnO2 +_H2-->_Sn +_H2O
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
N2 + 3H2 → 2NH3
What is the mole ratio between Nitrogen and Ammonia in the above reaction?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the mole ratio between oxygen and water?
2 C4H10 + 9 O2 → 8 CO2 + 10 H2O
2:8
1:4
10:9
9:10
Answer explanation
Use the coefficients to find mole ratios.
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2Na + S -->Na2S
What is the total number of moles of S that reacts when 0.4 moles of Na were completely consumed?
0.1
0.2
0.4
2
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
S8 + 12 O2 → 8 SO3
How many moles of S8 is needed to produce 12 moles of SO3?
1
1.5
2
12
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2 C2H6 + 7 O2 → 4 CO2 + 6 H2O
How many moles of CO2 is produced when 3 moles of H2O is also produced?
2
3
4
4.5
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
N2 + 3H2 → 2NH3
How many moles of N2 is needed to produce 3.5 moles of NH3?
1
1.5
1.75
3
Tags
NGSS.HS-PS1-7
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