Stoichiometry: Step by Step
Interactive Video
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Lisa Roberts
FREE Resource
Standards-aligned
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mole ratio of hydrogen to nitrogen?
3:1
1:2
3:2
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles of ammonia are produced in this reaction?
3
6
2
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What conversion factor, or mole ratio, should he multiply by? (remember each conversion factor written, MUST enable you to cancel a unit)
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What will you need to cancel out in order to get H2?
mole NH3
mole H2
mole N2
Tags
NGSS.MS-PS1-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is used to convert between grams and moles of a substance?
the coefficients of the balanced equation
the mole ratio
molar mass
Avogadro's number
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of N2?
14.0 g/mol
28.0 g/mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of NH3?
45.1 g/mol
17.0 g/mol
15.0 g/mol
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