Friday, December 11, 2009
MOLES
This week we have learned about a special number called a MOLE! It is 6.02x10^23, found by Amadeo Avogadro. A mole is such a big number! From the powerpoint packet I know that it's not the mark on your face or Rufus, the naked mole rat, from Kim Possible. It is the scientist's one dozen. Using a mole you can find how many grams are in one mole by weighing one gram of something and then find the molar mass on the periodic table or if it's a molecule you have to add up all the molar masses of the atoms in the molecule and multiply it together. Then, to find how many atoms are in one mole, you multiply that by 6.02x10^23! A mole is a quite fascinating number...
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