2. The Point of Today 1. What is a “mole” 2. Conversions using moles

3. The Mole ! A unit of counting how many of something 1 dozen = 12 1 case = 24 1 mole = 6.02 x 10 23

4. The Mole Avogadro’s number is 6.02 x 10 23 particles “Particles” can be: 1. Atoms 2. Particles 3. Molecules

5. The Mole ! 1 dozen = 12 1 case = 24 1 mole = 6.02 x 10 23

7. 1 penny

8. 16 pennies

9. 1 x 10 3 pennies 1000 pennies

10. 5 x 10 4 pennies 49,152 pennies

11. 1 x 10 5 pennies 98,334 pennies

12. 1 x 10 6 pennies (1 million) 1,003,776 pennies

13. 1 x 10 7 pennies 10 million 10,017,024 pennies

14. 1 x 10 8 pennies 100 million 100,016,640 pennies

15. 2 x 10 8 pennies 200 million 200,003,635 pennies

16. 1 x 10 9 pennies 1 billion 1,000,018,760 pennies

17. 1 x 10 10 pennies 10 billion 10,000,023,552 pennies

18. 1 x 10 11 pennies 100 billion 100,000,023,552 pennies

19. 2 x 10 11 pennies 200 billion (# of pennies currently in circulation) 200,035,318,672 pennies

20. 1 x 10 12 pennies 1 trillion 1,000,000,016,640 pennies

21. 1 x 10 12 pennies 1 trillion 1,000,000,016,640 pennies

22. 1.8 x 10 12 pennies 1.8 trillion 1,818,624,000,000 pennies

23. 2.6 x 10 12 pennies 2.6 trillion 2,623,684,608,000 pennies

24. 1 x 10 15 pennies 1 quadrillion 1,000,067,088,384,000 pennies

25. 1 x 10 18 pennies 1 quintillion 1,000,067,088,384,000,000 pennies

26. Table of Very Big Numbers one 1 ten 10 (1x 10 1 ) hundred 100 (1 x 10 2 ) thousand 1,000 (1 x 10 3 ) million 1,000,000 (1 x 10 6 ) billion 1,000,000,000 (1 x 10 9 ) trillion 1,000,000,000,000 (1 x 10 12 ) quadrillion 1,000,000,000,000,000 (1 x 10 15 ) quintillion 1,000,000,000,000,000,000 (1 x 10 18 ) sextillion 1,000,000,000,000,000,000,000 (1 x 10 21 ) septillion 1,000,000,000,000,000,000,000,000 (1 x 10 24 ) 1 mole = 6.02 x 10 23

28. 2 moles 1 moles 6.02 x 10 23 molecules 1. Convert 2.0 moles to molecules 1.2 x 10 24 molecules

30. 2. Convert 1.5 moles to molecules 1.5 moles 1 mole 6.02 x 10 23 molecules 9.03 x 10 23 molecules

31. 6. Convert 6.02 x 10 23 molecules to moles 6.02 x 10 23 molecules 1 mole

32. 7. Convert 1.204 x 10 24 molecules to moles 1.204 x 10 24 molecules 6.02 x 10 23 molecules 1 mole 2 moles

33. The Point of Today 1. What is a “mole” 2. Conversions using moles