Stoichiometry
Authored by G. Truesdale
Chemistry
9th - 11th Grade
NGSS covered
Used 954+ times
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation 2 Al2O3 --> 4 Al + 3 O2, what is the mole ratio of aluminum to oxygen (aluminum is asked for, oxygen is given)?
10/6
3/4
4/3
2/3
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction 2 H2 + O2 → 2 H2O what is the mole ratio of oxygen to water
1/2
2/1
3/4
4/3
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of table salt (NaCl)?
116.89 g/mol
35.45 g/mol
22.99 g/mol
58.44 g/mol
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of NaOH?
40.00 g/mol
38.99 g/mol
23.99 g/mol
57.00 g/mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
N2 + 3H2 → 2NH3
How many moles of hydrogen are needed to react with 2 moles of nitrogen?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2H2 + O2 → 2H2O
How many moles of water can be produced if 8 moles H2 are used?
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2NaClO3 (s) → 2NaCl (s) + 3O2 (g)
12.00 moles of NaClO3 will produce how many grams of O2?
NaClO3 = 106.44 g/mol ; O2 = 32.00 g/mol
256 g of O2
576 g of O2
288 g of O2
384 g of O2
Tags
NGSS.HS-PS1-7
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
Already have an account?
