1. The Mole

2. What is a mole (mol)?
A metric unit used to measure the amount of a substance
1 mole = 6.02 X 1023
Used to count what types of things?
Very small

3. Dimensional analysis
How many moles are in X 1024 molecules of sucrose (C12H22O11)?

4. Conversion factors

5. # atoms in 2.5 mol Zn

6. # formula units in 3.25 mol AgNO3

7. # mol in 5.75 X 1024 atoms of Al

8. How many grams are in 3.5 mol Zn?
What do you need to know??
How many grams are in one mole
Where can you find that information?
The periodic table

9. Molar Mass The mass of 1 mole of a substance ex) 1 mol Cu = 63.55 g
Units g/mol
ex) 1 mol Cu = g

10. What is the molar mass of…..
CuCl2
C7H6O3
Ba(OH)2

11. How many moles are in 525 g Ca?

12. Try these…… X g C6H12O6 in 5 mol? X mol in 5.5 g NaCl?
X formula units in 3.2 g AgNO3?

13. What about particles to grams?
3.2 X 1025 particles of K to grams.
125.4 grams HCl to formula units.