

Converting Moles and Atoms
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Practice Problem
•
Hard
Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key number used to convert moles to atoms?
Euler's number
Boltzmann's constant
Planck's constant
Avogadro's number
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When converting moles to atoms, what operation is performed with Avogadro's number?
Division
Multiplication
Subtraction
Addition
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you have 1.21 moles of helium, how many atoms do you have?
1.21 x 10^23 atoms
7.28 x 10^23 atoms
8.21 x 10^23 atoms
6.02 x 10^23 atoms
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of converting 0.78 moles of iron to atoms?
4.7 x 10^23 atoms
3.5 x 10^23 atoms
5.6 x 10^23 atoms
2.8 x 10^23 atoms
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What operation is used to convert atoms to moles?
Addition
Subtraction
Multiplication
Division
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles are in 8.21 x 10^23 atoms of silver?
3.36 moles
0.36 moles
2.36 moles
1.36 moles
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of converting 2.77 x 10^23 atoms of gold to moles?
1.46 moles
3.46 moles
0.46 moles
2.46 moles
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