Stoichiometry Mass Calculations

Stoichiometry Mass Calculations

10th - 11th Grade

25 Qs

quiz-placeholder

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Stoichiometry Mass Calculations

Stoichiometry Mass Calculations

Assessment

Quiz

Chemistry

10th - 11th Grade

Hard

NGSS
HS-PS1-7

Standards-aligned

Created by

Charles Martinez

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

CH4 + 2O2 --> 2H2O + CO2
What is the mass of CO2 produced when 35g of O2 reacts? 
1.09 g
24.1 g
28.2 g
44.0 g

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

N2 + 3 H2 → 2 NH3

How many moles of NH3 will be formed from 1 mole of H2?

4 moles

2/3 moles

3/2 moles

6 moles

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2Na + 2H2O → 2NaOH+ H2
How many grams of hydrogen are produced if 120 g of Na are available?
5.2 g
2.6 g
690 g
45 g

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

1 min • 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

5.

MULTIPLE CHOICE QUESTION

2 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

6.

MULTIPLE CHOICE QUESTION

2 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

7.

MULTIPLE CHOICE QUESTION

2 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

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