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Convert into mole - 12g of …

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Convert into mole - 12g of oxygen gas

Posted by Sanket Kumar ? 3 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Sia ? 3 years, 2 months ago

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/mol
By using the above-mentioned formula, we can write,
Number of moles in 12 g oxygen gas = 12g32gmol−1
= 0.375 mol
Therefore, 12 g of oxygen gas has 0.375 moles.

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