Download presentation
Presentation is loading. Please wait.
Published byGillian Diana Francis Modified over 8 years ago
1
The Mole Final Exam Review
2
Counting units: pair dozen gross ream mole
3
Counting units: pair2 dozen gross ream mole
4
Counting units: pair2 dozen12 gross ream mole
5
Counting units: pair2 dozen12 gross144 ream mole
6
Counting units: pair2 dozen12 gross144 ream500 mole
7
Counting units: pair2 dozen12 gross144 ream500 mole602213670000000000000000
8
Counting units: pair2 dozen12 gross144 ream500 mole6.02 x 10 23
9
The mole 1 mole = 6.02 x 10 23
10
The mole The mole, also called Avogadro's number, is the SI unit for the amount of a substance.
11
The mole How many roses in 3.5 dozen?
12
The mole How many roses in 3.5 dozen? 12 roses 3.5 doz x ----------------- = doz
13
The mole How many roses in 3.5 dozen? 12 roses 3.5 doz x ----------------- = 42 roses doz
14
The mole How many atoms in 3.5 moles?
15
The mole How many atoms in 3.5 moles? 6.02 x 10 23 atoms 3.5 mol x ------------------------- = mol
16
The mole How many atoms in 3.5 moles? 6.02 x 10 23 atoms 3.5 mol x ------------------------- = mol 21.1 x 10 23 atoms
17
The mole How many atoms in 3.5 moles? 6.02 x 10 23 atoms 3.5 mol x ------------------------- = mol 2.11 x 10 24 atoms
18
The mole How many moles are 4.5 x 10 24 atoms? 1 mol 4.5 10 24 x ----------------------- = 6.02 x 10 23
19
The mole How many moles are 4.5 x 10 24 atoms? 1 mol 4.5 10 24 x ----------------------- = 6.02 x 10 23 7.48 mol
20
Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ?
21
Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ? 2 moles Al 3 moles O
22
Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ? 2 moles Al x 27.0 g/mole 3 moles O x 16.0 g/mole
23
Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ? 2 moles Al x 27.0 g/mole = 54.0 g 3 moles O x 16.0 g/mole = 48.0 g
24
Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ? 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
25
Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ? 2 moles Al x 27.0 g/mole = 54.0 g 3 moles O x 16.0 g/mole = 48.0 g ------- 102 g
26
Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ?
27
Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ? 2.50 moles Al 3.75 moles O
28
Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ? 2.50 moles Al x 27.0 g/mole 3.75 moles O x 16.0 g/mole
29
Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ? 2.50 moles Al x 27.0 g/mole = 67.5 g 3.75 moles O x 16.0 g/mole = 60.0 g
30
Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ? 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
31
Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ? 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
32
Tonight’s Homework: Pp 311-312, problems 1-4
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.