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Avogadro's Favorite Music: Mole and Molecular Mass Calculations

Explore Avogadro's number, molecular mass calculations, and mole concepts through various examples with molecules such as C12H22O11 and C14H18N2O5. Includes lab activity.

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Avogadro's Favorite Music: Mole and Molecular Mass Calculations

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  1. Chapter 8 The Mole Part 2

  2. What is Avogadro’s Favorite Music

  3. What is Avogadro’s Favorite Music a

  4. 6.02 x 1023 ___________

  5. What else doe one mol C12 H22O11 equal? = 12 mol C = 22 mol H = 11 mol O

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

  7. How many moles of copper (II) sulfate are in this 0.14g sample? 0.00088 mol CuSO4

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

  9. How many oxygen atoms are present in the 0.14g sample of copper (II) sulfate are in this? 2.2 x 1021 O atoms

  10. A can of diet cola contains about 200.0 mg of the artificial sweetener aspartame (Nutra-Sweet) formula C14H18N2O5 . It is used to sweeten diet foods, coffee and soft drinks. How many moles of aspartame are present in a can of diet cola?

  11. A can of diet cola contains about 200.0 mg of the artificial sweetener aspartame (Nutra-Sweet) formula C14H18N2O5 . 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

  12. A can of diet cola contains about 200.0 mg of the artificial sweetener aspartame (Nutra-Sweet) formula C14H18N2O5 . 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 0.001g mg

  13. A can of diet cola contains about 200.0 mg of the artificial sweetener aspartame (Nutra-Sweet) formula C14H18N2O5 . 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 0.001g mol mg g

  14. A can of diet cola contains about 200.0 mg of the artificial sweetener aspartame (Nutra-Sweet) formula C14H18N2O5 . 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 0.001g mol 6.803 x 10-4 mol C14H18N2O5 mg 294.0 g

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

  16. How many aspartame molecules would you consume for each can of diet cola that you drank? 6.803 x 10-4 mol C14H18N2O5

  17. How many aspartame molecules would you consume for each can of diet cola that you drank? 6.803 x 10-4 mol C14H18N2O5 mol

  18. How many aspartame molecules would you consume for each can of diet cola that you drank? 6.803 x 10-4 mol C14H18N2O5 molecules mol

  19. How many aspartame molecules would you consume for each can of diet cola that you drank? 6.803 x 10-4 mol C14H18N2O5 6.02 x 1023 molecules mol = 4.10 x 1020C14H18N2O5 molecules

  20. How many aspartame molecules would you consume for each can of diet cola that you drank? 6.803 x 10-4 mol C14H18N2O5 6.02 x 1023 molecules mol = 4.10 x 1020C14H18N2O5 molecules 410,000,000,000,000,000,000 410 million trillion aspartame molecules

  21. 1mol of C14H18N2O5 • What does it weigh? • 294.0 g • How many C14H18N2O5’s? • 1 mol or 6.02 x 1023 C14H18N2O5molecules • How many carbon atoms? • 14 mol or 14(6.02 x 1023) or 8.43 x 1024 C atoms • How many hydrogen atoms? • 18 mol or 18 (6.02 x 1023) or 1.08 x 1025 H atoms • How many nitrogen atoms? • 2 mol or 2(6.02 x 1023) or 1.20 x 1024 N atoms • How many oxygen atoms? • 5 mol or 5 (6.02 x 1023) or 3.01 x 1024 O atoms • How many total atoms? • 39 mol or 39(6.02 x 1023) or 2.35 x 1025 atoms

  22. How many carbon atoms would be contained in 145g of aspartame? • Remember that aspartame is C14H18N2O5 and it has a gram formula mass of 294.0 g/mol.

  23. How many carbon atoms would be contained in 145g of aspartame (C14H18N2O5)? 4.16 x 1024 C atoms

  24. How many grams of aspartame contain 8.74 x 1022 oxygen atoms? • Aspartame is C14H18N2O5 and it has a molar mass of 294.0 g/mol.

  25. How many grams of aspartame (C14H18N2O5) contain 8.74 x 1022 oxygen atoms? 8.54 g of aspartame

  26. 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.

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