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The Mole Final Exam Review
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Counting units: pair dozen gross ream mole
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Counting units: pair2 dozen gross ream mole
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Counting units: pair2 dozen12 gross ream mole
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Counting units: pair2 dozen12 gross144 ream mole
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Counting units: pair2 dozen12 gross144 ream500 mole
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Counting units: pair2 dozen12 gross144 ream500 mole602213670000000000000000
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Counting units: pair2 dozen12 gross144 ream500 mole6.02 x 10 23
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The mole 1 mole = 6.02 x 10 23
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The mole The mole, also called Avogadro's number, is the SI unit for the amount of a substance.
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The mole How many roses in 3.5 dozen?
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The mole How many roses in 3.5 dozen? 12 roses 3.5 doz x ----------------- = doz
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The mole How many roses in 3.5 dozen? 12 roses 3.5 doz x ----------------- = 42 roses doz
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The mole How many atoms in 3.5 moles?
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The mole How many atoms in 3.5 moles? 6.02 x 10 23 atoms 3.5 mol x ------------------------- = mol
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The mole How many atoms in 3.5 moles? 6.02 x 10 23 atoms 3.5 mol x ------------------------- = mol 21.1 x 10 23 atoms
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The mole How many atoms in 3.5 moles? 6.02 x 10 23 atoms 3.5 mol x ------------------------- = mol 2.11 x 10 24 atoms
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The mole How many moles are 4.5 x 10 24 atoms? 1 mol 4.5 10 24 x ----------------------- = 6.02 x 10 23
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The mole How many moles are 4.5 x 10 24 atoms? 1 mol 4.5 10 24 x ----------------------- = 6.02 x 10 23 7.48 mol
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Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ?
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Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ? 2 moles Al 3 moles O
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Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ? 2 moles Al x 27.0 g/mole 3 moles O x 16.0 g/mole
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Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ? 2 moles Al x 27.0 g/mole = 54.0 g 3 moles O x 16.0 g/mole = 48.0 g
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Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ? 2 moles Al x 27.0 g/mole = 54.0 g 3 moles O x 16.0 g/mole = 48.0 g ------- 102.0 g
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Molar Mass of Compounds What is the mass of 1 mole of Al 2 O 3 ? 2 moles Al x 27.0 g/mole = 54.0 g 3 moles O x 16.0 g/mole = 48.0 g ------- 102 g
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Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ?
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Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ? 2.50 moles Al 3.75 moles O
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Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ? 2.50 moles Al x 27.0 g/mole 3.75 moles O x 16.0 g/mole
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Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ? 2.50 moles Al x 27.0 g/mole = 67.5 g 3.75 moles O x 16.0 g/mole = 60.0 g
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Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ? 2.50 moles Al x 27.0 g/mole = 67.5 g 3.75 moles O x 16.0 g/mole = 60.0 g ---------- 127.5 g
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Converting Moles to Mass What is the mass of 1.25 moles Al 2 O 3 ? 2.50 moles Al x 27.0 g/mole = 67.5 g 3.75 moles O x 16.0 g/mole = 60.0 g ---------- 127 g
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Tonight’s Homework: Pp 311-312, problems 1-4
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