Question

What is the mass of 2 atoms of oxygen?
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Answer 1

Answer:

There is a unique relationship between molar mass and atomic weight: Oxygen's atomic weight is 16.00 amu. 1 mole of oxygen is 6.02 x 1023 atoms of oxygen 1 amu = 1.661 x 10-24g What is the molar mass (g/mole) of oxygen? Molar mass (in grams) is always equal to the atomic weight of the atom!

Hope it will help you.

Answer 2

Answer:

We know :

Mass of oxygen = 16 g

Also :

16 g of oxygen = 6.022 × 10²³ atoms of oxygen weight :

= > 1 atoms of oxygen weight = 16 / 6.022 × 10²³ g

= > 2 atoms of oxygen weight = 2 × 16 / 6.022 × 10²³ g

= > 2 atoms of oxygen weight = 32 / 6.022 × 10²³ g

= > 2 atoms of oxygen weight = 32 × 10⁻²³ / 6.022 g

= > 2 atoms of oxygen weight = 5.33 × 10⁻²³ g

Hence we get required answer.

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Calculate the total number of electrons present in 1.48  nitrogen gas?​

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