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Highlndr
PostPosted: Tue Nov 14, 2006 5:07 am  Reply with quote



Joined: 26 Jul 2006
Posts: 49

Here is the setup

4.0g of Fe, you want to know how many atoms


FW of Fe = 55.85


1 mole Fe x mole Fe
----------- = -----------
55.85g_______________4.0g

55.85x = 4.0

x= 4.0
----
55.85

x = 0.071 moles

1 mole ________________ 0.071 mole
-------- = ------------
6.02*10^23 atoms______ x atoms

x = 0.43*10^23 atoms or 4.3 * 10^22 atoms

Edits: Ignore underscores, forums don't like numerous spaces
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Jayo
PostPosted: Tue Nov 14, 2006 10:01 am  Reply with quote



Joined: 20 Jun 2006
Posts: 58
Location: canada!

wat the fuk is this... somebody delete this quick before i learn something
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Starwrath
PostPosted: Tue Nov 14, 2006 5:59 pm  Reply with quote



Joined: 11 Jan 2006
Posts: 508
Location: Philadelphia

Rofl

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Starwrath - Druid Class Captain <Bananas in Pajamas>
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