1. The Mole and Conversion
2.04
The Mole and Conversion

2. Objectives & Standards
After completing this lesson, you will be able to:
Describe the mole and its use as a unit of measure in chemistry.
Use Avogadro’s number and atomic mass values to complete mathematical conversions.
Standards:
SC.912.P.8.8—Apply the mole concept and the law of conservation of mass to calculate quantities of chemicals participating in reactions.

3. Dozen = 12; It is a word used to represent an amount.
What is a mole?
What is a dozen?
Dozen = 12; It is a word used to represent an amount.
Other examples, 6 cookies per package.
If there are 36 cookies per batch how many batches of cookies must we make to have 48 cookies?
1 batch = 36 cookies
48 Cookies x batch = 1.33 batch
36 cookies

4. The Mole

5. Molar Mass Key Terms Definition Conversion Mole Avogadro’s Number

6. Molar Mass Example: What is the mass of 2.35 mol of sulfur?
Given: Conversion Factor(s):
Want:

7. Molar mass Practice
How many moles of potassium are in 27.8 grams of potassium (K)? Given: Conversion Factor(s) Want:

8. Avogadro’s Number Key Terms Definition Conversion Mole
Molar Mass

9. Avogadro’s Number Practice
How many moles of aluminum (Al) are equivalent to 3.7 × 1023 atoms? Given: Conversion Factor (s): Want:

10. Avogadro’s Number Practice
How many moles of aluminum (Al) are equivalent to 3.7 × 1023 atoms? Given: Conversion Factor(s): Want:

11. Mole Flow Chart: 1 or 2 Step Problems
What is the mass, in grams, of a sample of 1.20 × 1022 atoms of mercury (Hg)?
Given:
Want:
Conversion Factor(s):

12. How many moles of bromine (Br) atoms are in a sample of 2
How many moles of bromine (Br) atoms are in a sample of 2.03 × 1024 atoms?
Given:
Want:
Conversion Facors:

13. How many moles of cesium (Cs) atoms are in 675 g Cs?
Given:
Want:
Conversion Factor(s):

14. What is the mass of 1.7 × 1023 atoms of zinc (Zn)?
Given:
Want:
Conversion Factor(s):