Question

1 gm atom of oxygen =???? options are 22.4L, 6.022 10 raise to power23 or 32 gram of oxygen

Answer 1

Explanation:

O2 is the chemical formula of Oxygen

We know ,

1 mole of a substance contains 6.022×10^23

Here, Molar mass of O = 16u

And molar mass of O2 = 32u

And 32g of O2 = 1 mole of O2

Therefore 32g of O2 has molecules = 6.022×10^23

Since 1 molecule of O2 has 2 atoms

Therefore 32g of O2 has atoms=2*6.02×10^23

Thanks for reading :p

Answer 2

1gm atom of oxygen = 1 mole of oxygen

1 mole oxygen = 22.4 L of oxygen

(number of moles = volume/22.4 L)

1 mole oxygen = 6.022×10²³ molecules of oxygen

(number of moles = number of particles/ avogadro number)

1 mole oxygen = 32g of oxygen  

(number of moles = given mass/ molecular mass)

All the options are correct

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