Question

How many gram atoms are present in 256 g of

O2

?

(A) 16 (B) 32

(C) 14 (D) 36​

Answer 1

Answer:

256 g of oxygen (O2) has 9.63x 10^24 atoms of oxygens

Answer 2

Answer :-

Given that, 

Given that, 

Mass of O2 = 256 g

We know that, Number of moles = [Mass/Molarmass]

So, 

Moles of O2 = 256 / 32 = 8  

 Number of gram atoms = Number of moles × Number of atoms 

            = 8×2=16 gram atoms 

  Thus, option A is the correct answer.

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