STOICHIOMETRY PRACTICE #2
Presentation
•
Science
•
12th Grade
•
Practice Problem
•
Medium
Standards-aligned
SONYA BARBOLA
Used 4+ times
FREE Resource
7 Slides • 8 Questions
1
PRACTICE #2
Complete the quizizz as you finish the practice.
2
Fill in the Blanks
What always goes on top to start the problem? The _ _ _ _ _ over 1.
3
Start #1 on your practice #2. If 4.25 mol of Fe are produced, who many moles of Fe3O4 were used?
4
Labeling
#1) Fill in the problem with the correct conversion factors
4 mol Al2O3
8 mol Al
9 mol Fe
3 mol Fe3O4
5
Multiple Choice
Rounded to two decimal places, what is the correct answer for #1?
1.42 mol Fe
1.42 mol Fe3O4
6
Drag and Drop
7
Start with your given over 1. Move UNIT and SUBSTANCE diagonally.
8
Multiple Choice
#2: Where do you find the numbers that the arrows are pointing to in problem #2? (You can click on picture for a better view)
coefficient from balanced chemical equation
added masses from the periodic table
those will always be "1"
9
Labeling
Fill in the correct conversion factor for #2.
26.98 g Fe3O4
26.98 g Al
8 mol Al
1 mol Al
10
#3) How many moles of Fe3O4 are needed to react with 4.22 g Al?
11
Labeling
Fill in the correct conversion factors
26.98 g Al
3 mol Fe3O4
1 mol Al
8 mol Al
12
#4) If 9.22 grams of Fe were produced, how many grams of Al2O3 were also produced?
13
Fill in the correct numbers and units to complete the problem.
14
Reorder
SET UP NUMBER 4 BEFORE DOING THIS ONE
Reorder the following to the conversions being made (TOP OF THE TRACKS)
GIVEN mass in grams of Fe
convert to mol of Fe using molar mass
then to mol of Al2O3 using coefficients from reaction
to molar mass of Al2O3 from periodic table
multiply the top and divide by bottom
15
#5) How many grams of O2 will react with 5.00 g C4H8?
BALANCE THE REACTION & COMPLETE ON OWN
Turn in your paper when done.
PRACTICE #2
Complete the quizizz as you finish the practice.
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