Question

if 16 g of O contains 1 mole of O atom calculate the mass of 1 atom of O in grams​

Answer 1

Answer:

1 mole of oxygen contains 6.022×10  

23

 atoms of oxygen

∴ Mass of 1 atom of oxygen=  

6.022×10  

23

 

Mass of 1 mole

​  

g

=  

6.022×10  

23

 

16g

​  

 

∴ Mass of 1 atom of oxygen= 2.66×10  

−23

g

Answer 2

Answer:

l mole of xygen contains 2.66 by 3