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4 Pages

### ch9moles

Course: GC 130, Fall 2009
School: Glendale Community College
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Word Count: 558

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9: CHAPTER THE MOLE CONCEPT Problems: 1-20, 23-26, 29-46, 77-78 9.1 AVOGADRO'S NUMBER The mole is a collective quantity Examples of collective quantities: 1 dozen = 12, 1 pair = 2 1 mole = 6.02 x 1023 particles particles = atoms, ions, molecules, etc. How big is this? The volume of 6.02 1023 softballs is about equal to the volume of the Earth. This extremely huge # is known as Avogadro's number. The mole has...

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9: CHAPTER THE MOLE CONCEPT Problems: 1-20, 23-26, 29-46, 77-78 9.1 AVOGADRO'S NUMBER The mole is a collective quantity Examples of collective quantities: 1 dozen = 12, 1 pair = 2 1 mole = 6.02 x 1023 particles particles = atoms, ions, molecules, etc. How big is this? The volume of 6.02 1023 softballs is about equal to the volu...
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