Stoichiometric Calculations

Stoichiometric Calculations

11th Grade

6 Qs

quiz-placeholder

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Stoichiometric Calculations

Stoichiometric Calculations

Assessment

Quiz

Chemistry

11th Grade

Practice Problem

Medium

NGSS
HS-PS1-7

Standards-aligned

Created by

Amaal Amaal

Used 51+ times

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6 questions

Show all answers

1.

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

2.

MULTIPLE CHOICE QUESTION

5 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

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For the following balanced chemical equation

2Al(s) + 6HCl(l) → 2AlCl3(s) + 3H2(g)

how many moles of H2 are present?

1 mol

2 mol

3 mol

4 mol

6 mol

Tags

NGSS.HS-PS1-7

4.

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

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

2 C2H6 + 7 O2 → 4 CO2 + 6 H2O

Ethane (C2H6) combusts in the above reaction. What is the mole ratio of ethane to oxygen gas?

Media Image
Media Image
Media Image
Media Image

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

1 min • 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

Tags

NGSS.HS-PS1-7

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