THE MOLE What is the Mole? 6.02 x 10 23 OR What is a dozen? 1 dozen = 12.
The Mole Final Exam Review. Counting units: pair dozen gross ream mole.
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Transcript of The Mole Final Exam Review. Counting units: pair dozen gross ream mole.
![Page 1: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/1.jpg)
The Mole
Final Exam Review
![Page 2: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/2.jpg)
Counting units: • pair
• dozen
• gross
• ream
• mole
![Page 3: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/3.jpg)
Counting units: • pair 2
• dozen
• gross
• ream
• mole
![Page 4: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/4.jpg)
Counting units: • pair 2
• dozen 12
• gross
• ream
• mole
![Page 5: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/5.jpg)
Counting units: • pair 2
• dozen 12
• gross 144
• ream
• mole
![Page 6: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/6.jpg)
Counting units: • pair 2
• dozen 12
• gross 144
• ream 500
• mole
![Page 7: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/7.jpg)
Counting units: • pair 2
• dozen 12
• gross 144
• ream 500
• mole602213670000000000000000
![Page 8: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/8.jpg)
Counting units: • pair 2
• dozen 12
• gross 144
• ream 500
• mole 6.02 x 1023
![Page 9: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/9.jpg)
The mole
1 mole = 6.02 x 1023
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The mole
The mole, also called Avogadro's number, is the SI unit for the amount of a substance.
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The moleHow many roses in 3.5 dozen?
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The moleHow many roses in 3.5 dozen?
12 roses
3.5 doz x ----------------- =
doz
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The moleHow many roses in 3.5 dozen?
12 roses
3.5 doz x ----------------- = 42 roses
doz
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The moleHow many atoms in 3.5 moles?
![Page 15: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/15.jpg)
The moleHow many atoms in 3.5 moles?
6.02 x 1023 atoms
3.5 mol x ------------------------- =
mol
![Page 16: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/16.jpg)
The moleHow many atoms in 3.5 moles?
6.02 x 1023 atoms
3.5 mol x ------------------------- =
mol
21.1 x 1023 atoms
![Page 17: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/17.jpg)
The moleHow many atoms in 3.5 moles?
6.02 x 1023 atoms
3.5 mol x ------------------------- =
mol
2.11 x 1024 atoms
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The moleHow many moles are 4.5 x 1024 atoms?
1 mol
4.5 1024 x ----------------------- = 6.02 x 1023
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The moleHow many moles are 4.5 x 1024 atoms?
1 mol
4.5 1024 x ----------------------- = 6.02 x 1023
7.48 mol
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Molar Mass of Compounds
What is the mass of 1 mole of Al2O3?
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Molar Mass of Compounds
What is the mass of 1 mole of Al2O3?
2 moles Al
3 moles O
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Molar Mass of Compounds
What is the mass of 1 mole of Al2O3?
2 moles Al x 27.0 g/mole
3 moles O x 16.0 g/mole
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Molar Mass of Compounds
What is the mass of 1 mole of Al2O3?
2 moles Al x 27.0 g/mole = 54.0 g
3 moles O x 16.0 g/mole = 48.0 g
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Molar Mass of Compounds
What is the mass of 1 mole of Al2O3?
2 moles Al x 27.0 g/mole = 54.0 g
3 moles O x 16.0 g/mole = 48.0 g
-------
102.0 g
![Page 25: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/25.jpg)
Molar Mass of Compounds
What is the mass of 1 mole of Al2O3?
2 moles Al x 27.0 g/mole = 54.0 g
3 moles O x 16.0 g/mole = 48.0 g
-------
102 g
![Page 26: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/26.jpg)
Converting Moles to Mass
What is the mass of 1.25 moles Al2O3?
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Converting Moles to Mass
What is the mass of 1.25 moles Al2O3?
2.50 moles Al
3.75 moles O
![Page 28: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/28.jpg)
Converting Moles to Mass
What is the mass of 1.25 moles Al2O3?
2.50 moles Al x 27.0 g/mole
3.75 moles O x 16.0 g/mole
![Page 29: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/29.jpg)
Converting Moles to Mass
What is the mass of 1.25 moles Al2O3?
2.50 moles Al x 27.0 g/mole = 67.5 g
3.75 moles O x 16.0 g/mole = 60.0 g
![Page 30: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/30.jpg)
Converting Moles to Mass
What is the mass of 1.25 moles Al2O3?
2.50 moles Al x 27.0 g/mole = 67.5 g
3.75 moles O x 16.0 g/mole = 60.0 g
----------
127.5 g
![Page 31: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/31.jpg)
Converting Moles to Mass
What is the mass of 1.25 moles Al2O3?
2.50 moles Al x 27.0 g/mole = 67.5 g
3.75 moles O x 16.0 g/mole = 60.0 g
----------
127 g
![Page 32: The Mole Final Exam Review. Counting units: pair dozen gross ream mole.](https://reader036.fdocuments.net/reader036/viewer/2022070413/5697bff11a28abf838cbb542/html5/thumbnails/32.jpg)
Tonight’s Homework:
Pp 311-312, problems 1-4