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asked 9 months ago
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The molecular weight of carbon dioxide:
C + 2(O)
= 12 + 2(16)
= 12 + 32
= 44 g/mol
In one mole of carbon dioxide, with a mass of 44, the mass of carbon atoms is 12g.
So, the mass of carbon dioxide which would have 20 g of carbon atoms would be:
20 x 44
12
= 880/12
= 73.33 g
One molecule has 44g, therefore, 73.33g would be z number of molecules:
z = 73.33/44
z = 1.66
There are, therefore, 1.66 molecules of carbon molecules.
C + 2(O)
= 12 + 2(16)
= 12 + 32
= 44 g/mol
In one mole of carbon dioxide, with a mass of 44, the mass of carbon atoms is 12g.
So, the mass of carbon dioxide which would have 20 g of carbon atoms would be:
20 x 44
12
= 880/12
= 73.33 g
One molecule has 44g, therefore, 73.33g would be z number of molecules:
z = 73.33/44
z = 1.66
There are, therefore, 1.66 molecules of carbon molecules.
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