Chapter 8 The Mole Part 2.

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Presentation transcript:

Chapter 8 The Mole Part 2

What is Avogadro’s Favorite Music

What is Avogadro’s Favorite Music

Converting Moles and Grams Aluminum is often used for the structure of light-weight bicycle frames. How many grams of Al are in 3.62 moles of Al? a

1 mole Al = ?

1 mole Al = ? 1 mole Al = 27.0 g Al

What are the conversion factors? 1 mole Al = 27.0 g Al

What are the conversion factors? 1 mole Al = 27.0 g Al 27.0g Al or 1 mol Al 1 mol Al 27.0 g Al

What are the conversion factors? 1 mole Al = 27.0 g Al 27.0g Al or 1 mol Al 1 mol Al 27.0 g Al Aluminum is often used for the structure of light-weight bicycle frames. How many grams of Al are in 3.62 moles of Al?

1 mole Al = 27.0 g Al Conversion factors for Al 27.0g Al or 1 mol Al 1 mol Al 27.0 g Al 3.62 moles Al

1 mole Al = 27.0 g Al Conversion factors for Al 27.0g Al or 1 mol Al 1 mol Al 27.0 g Al 3.62 moles Al 27.0 g Al 1 mole Al = 97.7g Al

A can of diet cola contains about 200 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?

A can of diet cola contains about 200 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

A can of diet cola contains about 200 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

A can of diet cola contains about 200 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

A can of diet cola contains about 200 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

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

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

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

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

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 1020 C14H18N2O5 molecules 410,000,000,000,000,000,000 410 million trillion aspartame molecules

1mol of C14H18N2O5 What does it weigh? 294.0 g How many C14H18N2O5’s? 6.02 x 1023 C14H18N2O5 molecules How many carbon atoms? 14(6.02 x 1023) C atoms How many hydrogen atoms? 18(6.02 x 1023) H atoms How many nitrogen atoms? 2(6.02 x 1023) N atoms How many oxygen atoms? 5(6.02 x 1023) O atoms How many total atoms? 39(6.02 x 1023) atoms 1mol of C14H18N2O5

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.

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

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.

How many grams of aspartame (C14H18N2O5) contain 8 How many grams of aspartame (C14H18N2O5) contain 8.74 x 1022 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.