
Mastering 2 Step Mole Conversions
Interactive Video
•
Chemistry
•
6th - 10th Grade
•
Practice Problem
•
Hard
Mia Campbell
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Avogadro's number?
3.14 times 10 to the 23rd
6.02 times 10 to the 23rd
1.67 times 10 to the 24th
9.81 times 10 to the 22nd
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do you need to perform mole conversion problems?
A thermometer
A calculator
A periodic table
A ruler
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When converting grams to atoms or molecules, what is the first step?
Multiply by Avogadro's number
Divide by the atomic mass
Add the atomic mass
Subtract Avogadro's number
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If given the number of atoms or molecules, what is the first step in the conversion process?
Multiply by the atomic mass
Divide by Avogadro's number
Add the atomic mass
Subtract Avogadro's number
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of converting 25 grams of CO2 to molecules, what is the molar mass of CO2 used?
18.015 grams
28.01 grams
44.009 grams
32.00 grams
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final unit when converting grams of CO2 to molecules?
Molecules
Grams
Moles
Atoms
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using train tracks in mole conversion problems?
To measure the length of the substance
To calculate the volume of the substance
To keep track of units and ensure correct calculations
To determine the temperature of the substance
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