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03-19-2008, 11:58 PM
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| This is about figuring out moles in chemistry and im so lost. Heres the question:?
A small pin contains 0.0178 of Iron, Fe. How many atoms of iron are in the pin. I'm soo lost please help! mols of iron mols of iron      |
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03-19-2008, 11:58 PM
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what is the gram formula mass of Fe? If you want the number of moles in .0178g Fe, n (moles) X C (gram/mole) = .0178 g n = .0178g / C grams/mole n * 6.02 x10 23 = # of molecules |
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