Stoichiometry Practice

Stoichiometry Practice

10th - 11th Grade

30 Qs

quiz-placeholder

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Stoichiometry Practice

Stoichiometry Practice

Assessment

Quiz

Chemistry

10th - 11th Grade

Medium

NGSS
HS-PS1-7

Standards-aligned

Created by

Christine Nelson

Used 241+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Using the balanced equation:

Mg + 2HCl --> MgCl₂ + H₂

How many moles of HCl are consumed in the production of 7.5 moles of MgCl₂?

3.8 moles

15 moles

7.5 moles

23 moles

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

What is the first thing you must do to solve a stoichiometry problem?
Write a Balanced Equation
Panic
Write an Unbalanced Equation
Ask for help

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

2H2   +   O2  →  2H2O
How many moles of water can be produced if 8 moles H2 are used?
4 moles
8 moles
16 moles
2 moles

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

For the Balanced Reaction: 3 Mg + 1 Fe2O3 → 3 MgO + 2 Fe; What is the Ratio of moles of Mg to moles Fe?
3mol Mg / 2 mol Fe
2 mol Mg/ 3 mol Fe
1 mol Fe/ 2 mol Fe
3 mol MgO / 2 mol Fe

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

10 mins • 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

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

N2 +  3H2 → 2NH3 
How many moles of hydrogen are needed to react with 2 moles of nitrogen?
6
2
3
1

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

N2 + 3H2 → 2NH3

What is the mole ratio between N2 and NH3 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

Tags

NGSS.HS-PS1-7

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