Calculate the no.of molecules 32gram of oxygen atom
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45 is the oxegen atom of number
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No. of moles=Given mass/Molecular mass
Given mass=32g
Molecular mass of oxygen=16
Therefore, no. moles=32/16=2/1=2
Hence, there are 2 moles in 32g of oxygen
Given mass=32g
Molecular mass of oxygen=16
Therefore, no. moles=32/16=2/1=2
Hence, there are 2 moles in 32g of oxygen
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