2. Chapter 8 The Mole Part 2

3. What is Avogadro’s Favorite Music

4. a

5. 6.02 x 10 23 ___________

6. What else doe one mol C 12 H 22 O 11 equal? = 12 mol C = 22 mol H = 11 mol O

7. How many moles of copper (II) sulfate are in this 0.14g sample?

8. 0.00088 mol CuSO 4

9. How many oxygen atoms are present in the 0.14g sample of copper (II) sulfate are in this?

10. 2.2 x 10 21 O atoms

11. A can of diet cola contains about 200.0 mg of the artificial sweetener aspartame (Nutra-Sweet) formula C 14 H 18 N 2 O 5. It is used to sweeten diet foods, coffee and soft drinks. How many moles of aspartame are present in a can of diet cola?

12. 200.0 mg

13. A can of diet cola contains about 200.0 mg of the artificial sweetener aspartame (Nutra-Sweet) formula C 14 H 18 N 2 O 5. It is used to sweeten diet foods, coffee and soft drinks. How many moles of aspartame are present in a can of diet cola? 200.0 mg mg 0.001g

14. A can of diet cola contains about 200.0 mg of the artificial sweetener aspartame (Nutra-Sweet) formula C 14 H 18 N 2 O 5. It is used to sweeten diet foods, coffee and soft drinks. How many moles of aspartame are present in a can of diet cola? 14(12.0) + 18(1.0) + 2(14.0) + 5(16.0) = 294.0 g/mol 200.0 mg mg 0.001g g mol

15. A can of diet cola contains about 200.0 mg of the artificial sweetener aspartame (Nutra-Sweet) formula C 14 H 18 N 2 O 5. It is used to sweeten diet foods, coffee and soft drinks. How many moles of aspartame are present in a can of diet cola? 14(12.0) + 18(1.0) + 2(14.0) + 5(16.0) = 294.0 g/mol 200.0 mg mg 0.001g 294.0 g mol 6.803 x 10 -4 mol C 14 H 18 N 2 O 5

16. How many aspartame molecules would you consume for each can of diet cola that you drank?

17. 6.803 x 10 -4 mol C 14 H 18 N 2 O 5

18. How many aspartame molecules would you consume for each can of diet cola that you drank? 6.803 x 10 -4 mol C 14 H 18 N 2 O 5 mol

19. How many aspartame molecules would you consume for each can of diet cola that you drank? 6.803 x 10 -4 mol C 14 H 18 N 2 O 5 mol molecules

20. How many aspartame molecules would you consume for each can of diet cola that you drank? 6.803 x 10 -4 mol C 14 H 18 N 2 O 5 mol 6.02 x 10 23 molecules = 4.10 x 10 20 C 14 H 18 N 2 O 5 molecules

21. How many aspartame molecules would you consume for each can of diet cola that you drank? 6.803 x 10 -4 mol C 14 H 18 N 2 O 5 mol 6.02 x 10 23 molecules = 4.10 x 10 20 C 14 H 18 N 2 O 5 molecules 410,000,000,000,000,000,000 410 million trillion aspartame molecules

22. 1mol of C 14 H 18 N 2 O 5 What does it weigh? –294.0 g How many C 14 H 18 N 2 O 5 ’s? –1 mol or 6.02 x 10 23 C 14 H 18 N 2 O 5 molecules How many carbon atoms? –14 mol or 14(6.02 x 10 23 ) or 8.43 x 10 24 C atoms How many hydrogen atoms? –18 mol or 18 (6.02 x 10 23 ) or 1.08 x 10 25 H atoms How many nitrogen atoms? –2 mol or 2(6.02 x 10 23 ) or 1.20 x 10 24 N atoms How many oxygen atoms? –5 mol or 5 (6.02 x 10 23 ) or 3.01 x 10 24 O atoms How many total atoms? –39 mol or 39(6.02 x 10 23 ) or 2.35 x 10 25 atoms

23. How many carbon atoms would be contained in 145g of aspartame? Remember that aspartame is C 14 H 18 N 2 O 5 and it has a gram formula mass of 294.0 g/mol.

24. How many carbon atoms would be contained in 145g of aspartame (C 14 H 18 N 2 O 5 )? 4.16 x 10 24 C atoms

25. How many grams of aspartame contain 8.74 x 10 22 oxygen atoms? Aspartame is C 14 H 18 N 2 O 5 and it has a molar mass of 294.0 g/mol.

26. How many grams of aspartame (C 14 H 18 N 2 O 5 ) contain 8.74 x 10 22 oxygen atoms? 8.54 g of aspartame

27. Lab Activity Mole Worksheet 2 –Mole Worksheet 2 is a lab exercise. –Notice that there is a front and a back to the worksheet. –The answers on the back have been given however you need to show your work as factor label problems to get credit. –You and your lab partner need to turn in one copy of the worksheet by the end of the period.