Stoichiometry

Stoichiometry

9th - 12th Grade

50 Qs

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Stoichiometry

Stoichiometry

Assessment

Quiz

Chemistry

9th - 12th Grade

Medium

NGSS.HS-PS1-7, NGSS.MS-PS1-5, 112.43.c.9.C

Standards-aligned

Created by

Beth VanOstrand

Used 14+ times

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50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Balance this equation

_Al +_HCl --> _H2 +_AlCl3

2,6,3,2

it's already balanced

4,12,3,4

2,1,4,5

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Is the following reaction balanced?
NaHCO3 --> Na2CO3 + H2O + CO2

yes
no

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Balance this equation:
 2Li + Cl2 → LiCl

2Li + Cl2 → 4LiCl2
2Li + Cl2 → LiCl2
2Li + Cl2 → 2LiCl
2Li + 2Cl2 → 2 LiCl2

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Is the following equation balanced?
2C2H2 + 5O2 --> 4CO2 + 2H2O

yes
no

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Select the correct molar ratio taken from this balanced equation:


4 Al + 3 O2 --> 2 Al2O3

1 mol Al = 1 mol Al2O3

4 Al = 2 Al2O3

4 mol Al = 2 mol Al2O3

4 mol Al = 2 mol Al

Tags

NGSS.HS-PS1-7

6.

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 MgO 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

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

2H2  +   O2  →  2H2O
How many moles of oxygen are consumed if 8 moles H2 are used?

2
4
6
8

Tags

NGSS.HS-PS1-7

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