1. Intro to the Mole

2. Think About It
What do the words pair and dozen have in common?

3. I Can…
Determine how many moles or particles are present in a given problem using dimensional analysis
Define what a mole is

4. Agenda
What is a Mole?
Calculator Stuff
Practice
Exit Slip

5. Question
How many molecules are in the beaker of salt?

6. Mole Unit of measurement in Chemistry 6.02 X 1023
Very large number!!!
Also known as Avogadro’s number

7. http://ed.ted.com/lessons/daniel-dulek-how-big- is-a-mole-not-the-animal-the-other-one

8. 1 mole of dollars: $602,000,000,000,000,000,000,000
US National Debt: $19,975,332,990,000
World Population: 7,484,428,900

9. If I have 1 mole of Jolly Ranchers, how many do I have?

10. If I have 1 mole of Sodium Chloride, how many particles do I have?

11. If I have 6.02 x 1023 atoms of Nitrogen gas, how many moles do I have?

12. Calculator Magic
Since we are using scientific notation, there is a specific way to type into your calculator
You NEED a scientific calculator
If using your phone, you will need to download a scientific notation app

13. Try it…
2.52 x / x 1011
Correct Answer: x 1013

14. Correct Answer: x 1013
Most common incorrect answer: x 1035

15. Notes for Dimensional Analysis
Units MUST Cancel Out Diagonally
UNITS, UNITS, UNITS!!!!!!!!!!
With set-up, as well as the answer 

16. Setting Up a Mole Problem
How many atoms are in 2.5 moles of Potassium?

17. Try on Your Own
In your groups, work on the 4 practice problems from your notes on the giant whiteboard
**If you finish early before we go over them, try the challenge problems

18. Try on Your Own How many molecules are in 5.52 moles of water?
How many atoms are in 7.41 moles of sodium?
How many moles are in 1.86 x 1024 molecules of potassium fluoride?
How many moles are in 8.54 x 1022 atoms of aluminum?

19. Tips
DO NOT memorize how to set up an equation- think about it where the units should be to cancel out
AKA: Don’t think when converting from moles to particles, you should have…

20. I’ll leave you with this…

21. Making a New Counting Unit
1 DART = 4

22. Sooo…
A DART of oranges will have ___________ oranges

23. A DART of iron atoms has ___________ atoms of iron

24. How DARTS do I have if I have 4 water molecules?

25. Say I want to know how many…
How many Potassium atoms are in 5.36 darts?
**Need to show how to do this in dimensional analysis

26. Try In Your Groups
In your groups, work on the 4 practice problems from your notes on the giant whiteboard

27. How many particles of silver are in 15.3 DARTS?
How many DARTS are 24 Caramels?
How many DARTS are Sodium Chloride molecules?
How many molecules of water are in 0.25 DARTS?
**Set up in Dimensional Analysis