Stoichiometry Calculations

Stoichiometry Calculations

11th Grade

20 Qs

quiz-placeholder

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Stoichiometry Calculations

Stoichiometry Calculations

Assessment

Quiz

Chemistry

11th Grade

Hard

NGSS
HS-PS1-7, HS-PS1-2

Standards-aligned

Created by

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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