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Solved: How Many Moles are There in 3.2g of Oxygen?
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#1
Question 
No of moles =mass/molar mass
Mass = 3.2g
Molar mass of Oxygen= 16g/mol
Substituting the parameters into the above
mentioned formula we have it be
No of moles=(3.2g)÷(16g/mol)=0.2moles.
With this we can now say O.2moles is
present in 3.2g of Oxygen.
Courtesy: Lord Chemkingsley

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