1. Chemistry10.1

3. 10.1
What is a Mole?
A mole of any substance = Avogadro’s number, or 6.02  1023 representative particles.
The term representative particle refers to atoms, molecules, or formula units.

4. Converting Number of Particles to Moles .
10.1
What is a Mole?
Converting Number of Particles to Moles .

5. 10.2

6. 10.2

7. 10.2

8. 10.2

9. for Sample Problem 10.2
Sample problem 10.2
Problem Solving 10.4 Solve Problem 4 with the help of an interactive guided tutorial.

10. Converting Moles to Number of Particles
10.1
What is a Mole?
Converting Moles to Number of Particles

11. 10.3

12. 10.3

13. 10.3

14. 10.3

15. for Sample Problem 10.3
Sample problem 10.3
Problem Solving 10.5 Solve Problem 5 with the help of an interactive guided tutorial.

16. The Mass of a Mole of an Element
10.1
The Mass of a Mole of an Element
The atomic mass of an element expressed in grams is the mass of a mole of the element.
The mass of a mole of an element is its molar mass.

17. The Mass of a Mole of a Compound
10.1
The Mass of a Mole of a Compound
Substitute the unit grams for atomic mass units. Thus 1 mol of SO3 has a mass of 80.1 g.

18. The Mass of a Mole of a Compound
10.1
The Mass of a Mole of a Compound
Molar Masses of Glucose, Water, and Paradichlorobenzene
One molar mass is shown for each of three molecular compounds. Inferring How can you know that each sample contains Avogadro’s number of molecules?

19. 10.4

20. 10.4

21. 10.4

22. 10.4

23. for Sample Problem 10.4
Problem Solving 10.7 Solve Problem 7 with the help of an interactive guided tutorial.

24. 10.1 Section Quiz.
10.1.

25. 10.1 Section Quiz.
1. Three common ways of measuring the amount of something are by count, by mass, and
by temperature.
by volume.
by area.
by density.

26. 10.1 Section Quiz.
2. A mole of hydrogen gas, H2(g), contains x 1023
molecules.
atoms.
amu.
grams.

27. 10.1 Section Quiz.
3. The atomic mass of fluorine is 19.0 amu, so the molar mass is
19.0 amu.
19.0 g.
6.02 x 1023 amu.
6.02 x 1023 g.

28. 10.1 Section Quiz.
4. Calculate the molar mass of ammonium nitrate.
45.02 g
80.05 g
60.06 g
48.05 g

29. END OF SHOW