Chapter 8 The Mole Part 2 What is Avogadro’s Favorite Music.

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Presentation transcript:

Chapter 8 The Mole Part 2

What is Avogadro’s Favorite Music

a

6.02 x ___________

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

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

mol CuSO 4

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

2.2 x O atoms

A can of diet cola contains about 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

A can of diet cola contains about 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? mg mg 0.001g

A can of diet cola contains about 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) = g/mol mg mg 0.001g g mol

A can of diet cola contains about 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) = g/mol mg mg 0.001g g mol x mol C 14 H 18 N 2 O 5

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

6.803 x mol C 14 H 18 N 2 O 5

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

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

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

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

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 C 14 H 18 N 2 O 5 molecules How many carbon atoms? –14 mol or 14(6.02 x ) or 8.43 x C atoms How many hydrogen atoms? –18 mol or 18 (6.02 x ) or 1.08 x H atoms How many nitrogen atoms? –2 mol or 2(6.02 x ) or 1.20 x N atoms How many oxygen atoms? –5 mol or 5 (6.02 x ) or 3.01 x O atoms How many total atoms? –39 mol or 39(6.02 x ) or 2.35 x atoms

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 g/mol.

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

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

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

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.