Stoichiometry Calculations
Quiz
•
Chemistry
•
11th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
STP stands for
Standard Temperature and Pressure
Standard Temperature or Pressure
Satisfied Temperature and Pressure
Selected Temperature and Pressure
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the following balanced chemical equation
2K + F2 --> 2KF
how many moles of KF are present?
2 mol of KF
1 mol KF
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Using the balanced equation below
2Ca + O2 --> 2CaO
Predict the number of particles of Ca
6.02x1023
1.204x1024
6.02x1022
1.204x1023
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
For the balanced equation shown below
4Fe + 3O2 --> 2Fe2O3
What is the volume of O2 gas at STP
22.4L
44.8L
67.2L
134.4L
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
6.0 mol of aluminium reacts with oxygen to form aluminium oxide. What is the amount of oxygen, in mol, needed for complete reaction?
4Al(s) + 3O2(g) → 2Al2O3(s)
1.5
3.0
4.5
6.0
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Nitrogen reacts with hydrogen to give ammonia, NH3 in a closed container. How many moles of H2 are needed to produce 25 mol of NH3?
N2 + 3H2 → 2NH3
A) 12.5
B) 25
C) 37.5
D) 50
E) 62.5
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
According to the following equation;
C + HNO3 → CO2 + NO2 + H2O
2.4 grams C is reacted with concentrated HNO3 acid. How many liters of NO2 are produced at STP? (C: 12) (Balance the equation first)
A) 5.6
B) 11.2
C) 16.8
D) 17.92
E) 22
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-7
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