Moles.

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Presentation transcript:

Moles

Candy Problems

Quantities 1 Dozen = 12 1 Baker’s Dozen = 13 1 Mole = 602,000,000,000,000,000,000,000 Moles are used to calculate atoms because they are so tiny! Not this kind of mole -->

1 Dozen Donuts

1 Baker’s Dozen Donuts

1 Mole Donuts

1 mole = 6.02 x 1023 (Avogadro’s Number)

Examples

Does 1 dozen M&M’s weigh the same as 1 dozen cars?

Does 1 mole of M&M’s weigh the same as 1 mole of cars?

Does 1 mole of boron atoms weigh the same as 1 mole of carbon atoms?

Atomic Mass = Average weight of 1 mole of atoms of an element (in grams) We use an average because not all atoms of the same element weigh the same. (ISOTOPES)

1 mole = Atomic mass (Found on the PT)

Examples

Combo Problems

Conversions (6.02 x 1023) ATOMS 1 MOLE GRAMS (Atomic Mass)