The Mole Introduction
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1 dozen items = 12 items
1 gross of items = 144 items
1 mole of items = 6.02 x 1023 items
1 mole of hydrogen atoms = 1.008 grams
1 mole of carbon atoms = 12.011 grams
1 mole of sodium atoms = 22.989 grams
Critical Thinking Questions:
1. How many elephants are there in a dozen elephants?
2. b. Which has more animals – a dozen elephants or a dozen chickens?
3. How many elephants are there in a gross of elephants?
4. Which has more animals – a gross of elephants or a gross of chickens?
5. How many elephants are there in a mole of elephants?
6. Which has more animals – a mole of elephants or a mole of chickens?
7. Which has more atoms – a dozen H atoms or a dozen Ar atoms?
8. Which has more atoms – a mole of H atoms or a mole of Ar atoms?