Stoichiometry Review

Stoichiometry Review

11th Grade

23 Qs

quiz-placeholder

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Stoichiometry Review

Stoichiometry Review

Assessment

Quiz

Chemistry

11th Grade

Medium

NGSS
HS-PS1-7

Standards-aligned

Created by

Katherine Cantrell

Used 5+ times

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23 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

6
2
3
1

2.

MULTIPLE CHOICE QUESTION

5 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

3.

MULTIPLE CHOICE QUESTION

5 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

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Cl2 + 2KBr → Br2 + 2KCl
How many grams of potassium chloride (KCl) can be produced from 356 g of potassium bromide (KBr)?

749 g
223 g
479 g
814 g

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

CH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?

13.7 mol
2.75 mol
6.11 mol
6.85 mol

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

B2H6 + 3O2 -->2 HBO2 + 2 H2O
 What mass of O2 will be needed to burn 36.1 g of B2H6?

13.8 g O2
3.86 mol of O2
125.2 g O2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Balance the following reaction :
 
CaC₂(s)   +   H₂O(l)   -->   C₂H₂(g)   +   Ca(OH)₂(aq)

1,2,2,2
1,2,1,1
2,1,1,1
2,1,2,1

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