Convert into mole - 12g of oxygen gas

1.	Convert into mole - 12g of oxygen gas
Answer» Oxygen exists in the diatomic form in a gaseous state (O2). Therefore, for finding the molar mass of diatomic oxygen we should multiply the atomic mass (16) by two.Molar mass of O2 = 16×2= 32 g/molBy using the above-mentioned formula, we can write,Number of moles in 12 g oxygen gas = 12g32gmol−1= 0.375 molTherefore, 12 g of oxygen gas has 0.375 moles.

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