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The Mole

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What is a mole (mol)? A metric unit used to measure the amount of a substance 1 mole = 6.02 X 1023 Used to count what types of things? Very small

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Dimensional analysis How many moles are in X 1024 molecules of sucrose (C12H22O11)?

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Conversion factors

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# atoms in 2.5 mol Zn

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**# formula units in 3.25 mol AgNO3**

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# mol in 5.75 X 1024 atoms of Al

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**How many grams are in 3.5 mol Zn?**

What do you need to know?? How many grams are in one mole Where can you find that information? The periodic table

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**Molar Mass The mass of 1 mole of a substance ex) 1 mol Cu = 63.55 g**

Units g/mol ex) 1 mol Cu = g

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**What is the molar mass of…..**

CuCl2 C7H6O3 Ba(OH)2

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**How many moles are in 525 g Ca?**

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**Try these…… X g C6H12O6 in 5 mol? X mol in 5.5 g NaCl?**

X formula units in 3.2 g AgNO3?

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**What about particles to grams?**

3.2 X 1025 particles of K to grams. 125.4 grams HCl to formula units.

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