1. The Mole
Chemistry 11

2. The Mole

3. The Mole
Try it . . .

4. The Mole
Problem . . .
Another scientist enters the arena: Joseph Gay-Lussac
Yet, another scientist enters the arena: Amedeo Avagadro

5. 1 L 1 L 1 L 24 24 24 1 kg 2 kg 3 kg Volume of Gases and Mass? The Mole
What’s the volume of each?
1 L
1 L
1 L
How many particles in each? 24 24 24
What’s the mass of each?
1 kg
2 kg
3 kg

6. 1 L 1 L 2 L 24 24 48 2 kg 4 kg 6 kg Volume of Gases and Mass? The Mole
How many particles here?
What’s the volume of each?
1 L
1 L
2 L
How many particles in each? 24 24 48
What’s the mass of each?
2 kg
4 kg
6 kg

7. The Mole
Try it . . .

8. The Mole
Think . . .

9. The Mole --- Molar Mass

10. The Mole --- Molar Mass Try it . . . Clue . . . Homework . . .
Exercises 6 & 7

11. The Mole --- Molar Mass

12. The Mole --- Molar Mass
Relating # of Moles and Mass
Only use: mol

13. The Mole --- Molar Mass
Try it . . .
1 . .
2 . .
3 . .

14. The Mole --- Molar Mass
Homework . . .
Exercises 8, 9 & 10

15. The Mole --- Volume of a Gas
Relating # of Moles and Volume of a Gas

16. The Mole --- Volume of a Gas
Try it . . .
Homework . . .
Exercises 11 & 12

17. The Mole --- # of Particles
Relating # of Moles and #of particles

18. The Mole --- # of Particles
Try it . . .
1 . .
2 . .

19. The Mole --- # of Particles --- Molar Mass
Homework . . .
Exercises 15 to 20

20. The Mole --- # of Particles, Mass, & Volume
Multiple Conversions Between Moles, Mass, Volume and #of particles
Try it . . .
Homework . . .
Exercises 21

21. The Mole --- # of Particles, Mass, & Volume
#21 How many atoms are contained in 1 molecule of each of the following?
A – CH3CO2H
B – NH4Cl
C – (CH3)2CO
D – (NH4)2SO4
E – C15H22O6N2S
F – Ni(H2O)4(NH3)2Cl2 8 6 10 15 46 23

22. The Mole --- # of Particles, Mass, & Volume
(see Handout)

23. The Mole --- # of Particles, Mass, & Volume

24. The Mole --- # of Particles, Mass, & Volume

25. The Mole --- # of Particles, Mass, & Volume
Homework . . .
Exercises 22, 23 & 24
(see Handout)

26. The Mole --- # of Particles, Mass, & Volume
Homework . . .
Exercises 22, 23 & 24
The Mole --- # of Particles, Mass, & Volume
Try it . . .
1 . .
2 . .

27. The Mole --- # of Particles, Mass, & Volume
Show video: The Mole – 10 min -- library

28. The Mole --- # of Particles, Mass, & Volume
Try it . . .
1 . .
Clues . . .
2 . .
density = m = mass of 1 mol = 32.0 g = 1.43 g/L
V vol. of 1 mol L

29. The Mole --- # of Particles, Mass, & Volume
Homework . . .
Exercises 25, to 34
The Mole --- # of Particles, Mass, & Volume
Try it . . .
3 . .
4 . .
Go to
Molarity

30. The Mole --- Percentage Composition

31. The Mole --- Percentage Composition

32. The Mole --- Percentage Composition
Homework . . .
Exercises 44 & 45
The Mole --- Percentage Composition
Try it . . .
1 mol = 30g;
2 mol C = 24g
24/30 = 80%
6 mol H = 6g
6/30 = 20%
1 mol = g;
1 mol Fe = 55.8g
55.8/126.8 = 44%
2 mol Cl = 71g
71/126.8 = 56 %
1 mol = 162.3g;
1 mol Fe = 55.8g
55.8/162.3 = 34.4%
3 mol Cl = 106.5g
106.5/162.3 = 65.6%

33. The Mole --- Empirical & Molecular Formula

34. The Mole --- Empirical & Molecular Formula
1 more point to make

35. The Mole --- Empirical & Molecular Formula

36. The Mole --- Empirical & Molecular Formula
Reminder:
Divide by the
smallest
Number
To get
unit comparison
Try it . . .
Hence the empirical formula is C2H3N

37. The Mole --- Empirical & Molecular Formula
Try it . . .

38. The Mole --- Empirical & Molecular Formula
Important:
Sneaky
Important:

39. The Mole --- Empirical & Molecular Formula
Try it . . .
Homework . . .
Exercises #46

40. The Mole --- Empirical & Molecular Formula

41. The Mole --- Empirical & Molecular Formula

42. The Mole --- Empirical & Molecular Formula

43. The Mole --- Empirical & Molecular Formula
Try it . . .

44. The Mole --- Empirical & Molecular Formula
Try it . . .

45. The Mole --- Empirical & Molecular Formula
Try it . . .
Homework . . .
Exercises #47 to #55

46. The Mole --- Molar Concentration
Knowing the concentration of a solution provides a way to find how much of a particular substance exists in a given volume of the solution.

47. The Mole --- Molar Concentration

48. The Mole --- Molar Concentration
Try it . . .
1 --
2 --
3 --
Equation for Molar Concentration

49. The Mole --- Molar Concentration
Try it . . .

50. The Mole --- Molar Concentration
Try it . . .
Homework . . .
Exercises #59 to #77

51. The Mole --- Molar Concentration
Dilution Calculations:
Or. . .

52. The Mole --- Molar Concentration

53. The Mole --- Molar Concentration
Handout:
Dilution
Calculations
The Mole --- Molar Concentration

54. The Mole --- Molar Concentration
Homework . . .
Exercises #78 to #94
The Mole --- Molar Concentration

55. The Mole --- Molar Concentration of Ions
Go to
Dissolved Ions

56. The Mole --- Summary Homework . . . Quiz: Concentration Review
Handout:
Molarity
Summary
Handout:
Practice
Problems
ALSO:
Mole Test
Review
The Mole --- Summary
Homework . . .
Exercises #95 to #102

57. The Mole --- The End
Your test is on . . .
The End of the Mole!!!