Calculate the number of molecules in 1 kg oxygen
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1.The number of molecules present in 1 kg of oxygen is.
2.Avogadro number =
In 1 molecule of oxygen, there are 3.2 atoms, so the molecular mass of = 16×2 = 32 gm.
4.So 32 grams of =
So 1000 grams of = x1000)÷32.
= molecules.
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