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- 1. Multiple Choice
When you are solving for molecules, atoms, and particles you always use what number?
6.02 X 1023
Lucky 7
Guess
24
- 2. Multiple Choice
If you have moles on top, what do you need on the bottom of the conversion factor to be?
atoms
particles
grams
moles
- 3. Multiple Choice
If you have grams on top, what do you need on the bottom of the conversion factor to be?
atoms
particles
grams
moles
- 4. Multiple Choice
If you have particles on top, what do you need on the bottom of the conversion factor to be?
atoms
particles
grams
moles
- 5. Multiple Choice
If you have moles on top, what do you need on the bottom of the conversion factor to be?
atoms
particles
grams
moles
- 6. Multiple Choice
How many molecules are in 27.5 grams of NaOH
41.4 molecules
4.14 x 1023 molecules
4.14 x 1025 molecules
1.83 x 10-21 molecules
- 7. Multiple Choice
How many moles are in 2.85 x 1018 atoms of iron, Fe?
41.4 molecules
4.14 x 1023 molecules
4.14 x 1025 molecules
1.83 x 10-21 molecules
- 8. Multiple Choice
How many moles are in 3.01 x 1022 atoms of magnesium, Mg?
0.05 moles
1.81 X 1046 moles
5.00 x 1021 moles
5 moles
- 9. Multiple Choice
How many atoms are in 6.5 moles of zinc, Zn?
4.2 atoms
3.91 X 10-24 atoms
3.91 x 1024 atoms
5 x 1024 atoms
- 10. Multiple Choice
When you are solving for molecules, atoms, and particles you always use what number?
6.02 X 1023
Lucky 7
Guess
24
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