Archive for August, 2009
How many atoms of gold does it take to make 1 gram of gold?
August 31st, 2009 | 
Author: How do you figure this out? Please show the work.
The atomic weight of gold is accepted as 197g. Avagodro’s number says that there are 6.022e23 atoms in 1 mole. Therefore, 6.022e23 atoms weighs 197 g.
So you have 1/197 moles or 0.0051 mol. The number of atoms in 1 gram is 0.0051 x 6.022e23 or about 3.057e21 atoms.
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14k Yellow Gold Pittsburgh Steelers Pendant with a weight of 1.75 grams.
14k Yellow Gold Pittsburgh Steelers Pendant with a weight of 1.75 grams.
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Tags: World of Warcraft Gold Guide - sell gold
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This is a cool video about twenty dollar gold coin, it also has some pretty cool pics
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