How many moles of carbon are there in a 11.000 g (55.00 carat) diamond?
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Explanation:
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0
In this example you have 0.2 grams of carbon atoms. The first step is to find out how many moles this is.
The molar mass of carbon is 12.01 g/mol, you have 0.2 gram so:
0.2
g
12.01
g
m
o
l
=
0.01665
...
m
o
l
The number of atoms can be calculated using Avogadro's constant that says that 1 mole of any element contains
6.022
⋅
10
23
atoms. So the number of atoms in this example is:
6.022
⋅
10
23
atoms
m
o
l
⋅
0.01665
m
o
l
=
1
⋅
10
22
atoms
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