1. 1. Determine the number of atoms in 2.50 mol Zn.
Page 311
1. Determine the number of atoms in 2.50 mol Zn.

2. Page 311 6.02x1023atoms 2.50mol x ----------- = 1mol
1. Determine the number of atoms in 2.50 mol Zn.
6.02x1023atoms
2.50mol x =
1mol

3. 1. Determine the number of atoms in 2.50 mol Zn. 15.05 x 1023atoms
Page 311
1. Determine the number of atoms in 2.50 mol Zn.
15.05 x 1023atoms

4. 1. Determine the number of atoms in 2.50 mol Zn. 15.1 x 1023atoms
Page 311
1. Determine the number of atoms in 2.50 mol Zn.
15.1 x 1023atoms

5. 1. Determine the number of atoms in 2.50 mol Zn. 1.51 x 1024atoms
Page 311
1. Determine the number of atoms in 2.50 mol Zn.
1.51 x 1024atoms

6. 2. Given 3.25 mol AgNO3, determine the number of formula units.
Page 311
2. Given 3.25 mol AgNO3, determine the number of formula units.

7. Page 311 6.02x1023units 3.25mol x ----------- = 1mol
2. Given 3.25 mol AgNO3, determine the number of formula units.
6.02x1023units
3.25mol x =
1mol

8. Page 311
2. Given 3.25 mol AgNO3, determine the number of formula units.
19.6 x 1023formula units

9. Page 311
2. Given 3.25 mol AgNO3, determine the number of formula units.
1.96 x 1024formula units

10. 3. Calculate the number of molecules in 11.5 mol H2O.
Page 311
3. Calculate the number of molecules in 11.5 mol H2O.

11. Page 311 6.02x1023molecules 11.5mol x ----------- = 1mol
3. Calculate the number of molecules in 11.5 mol H2O.
6.02x1023molecules
11.5mol x =
1mol

12. Page 311
3. Calculate the number of molecules in 11.5 mol H2O.
69.2 x 1023formula units

13. Page 311
3. Calculate the number of molecules in 11.5 mol H2O.
6.92 x 1024formula units

14. How many moles contain each of the following?
Page 312
How many moles contain each of the following?

15. How many moles contain each of the following? a. 5.75 x 1024 atoms Al
Page 312
How many moles contain each of the following?
a x 1024 atoms Al

16. Page 312
How many moles contain each of the following?
a x 1024 atoms Al
1 mole
5.75x1024 x
6.02x1023

17. Page 312
How many moles contain each of the following?
a x 1024 atoms Al
5.75 x 1024
6.02 x 1023

18. Page 312
How many moles contain each of the following?
a x 1024 atoms Al
57.5 x 1023
6.02 x 1023

19. Page 312
How many moles contain each of the following?
a x 1024 atoms Al
57.5 x 1023
6.02 x 1023

20. Page 312 9.55 moles How many moles contain each of the following?
a x 1024 atoms Al
9.55 moles

21. Page 312 How many moles contain each of the following?
b x 1024 molecules CO2

22. Page 312
How many moles contain each of the following?
b x 1024 molecules CO2
1 mole
3.75x1024 x
6.02x1023

23. Page 312
How many moles contain each of the following?
b x 1024 molecules CO2
3.75x1024
6.02x1023

24. Page 312
How many moles contain each of the following?
b x 1024 molecules CO2
37.5x1023
6.02x1023

25. Page 312
How many moles contain each of the following?
b x 1024 molecules CO2
37.5x1023
6.23 moles
6.02x1023

26. Page 312 How many moles contain each of the following?
c x 1023 units ZnCl2

27. Page 312
How many moles contain each of the following?
c x 1023 units ZnCl2
1 mole
3.58x1023 x
6.02x1023

28. Page 312
How many moles contain each of the following?
c x 1023 units ZnCl2
3.58x1023
6.02x1023

29. Page 312
How many moles contain each of the following?
c x 1023 units ZnCl2
3.58x1023
6.02x1023

30. Page 312
How many moles contain each of the following?
c x 1023 units ZnCl2
37.5x1023
0.595 moles
6.02x1023

31. How many moles contain each of the following? d. 2.50 x 1020 atoms Fe
Page 312
How many moles contain each of the following?
d x 1020 atoms Fe

32. Page 312
How many moles contain each of the following?
d x 1020 atoms Fe
1 mole
2.50x1020 x
6.02x1023

33. Page 312
How many moles contain each of the following?
d x 1020 atoms Fe
2.50 x 1020
6020 x 1020

34. Page 312
How many moles contain each of the following?
d x 1020 atoms Fe
2.50 x 1020
moles

35. Page 312
How many moles contain each of the following?
d x 1020 atoms Fe
2.50 x 1020
4.15 x 10-4 moles