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www.youtube.com/watch?v=AsqEkF7hcII<br />

www.youtube.com/watch?v=tEn0N4R2dqA<br />

www.youtube.com/watch?v=Pft2CASl0M0<br />

www.youtube.com/watch?v=rwhJklbK8R0<br />

The Mole<br />

1 mol= 6.02x10^23<br />

avogadros number<br />

amu --> molar mass (g)<br />

12.01 + 16.00 + 16.00<br />

Nitruous Oxide<br />

14.01 + 16.00 = 30.01 grams<br />

1 mole of 12 C atoms in 12 g of carbon<br />

1 gram = 1 mole of amu<br />

1 gram = 6.02x10^23 amu<br />

3.5 dozens roses 12 roses<br />

dozen roses<br />

= 42 roses<br />

2.5 mol roses 6.02x10^23<br />

1 mol roses<br />

= 1.505x10^24 roses<br />

84

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