Question

The number of atoms in 22 g of CO2 is
1) 0.5 NA
2) NA
3) 1.5NA
4) NA/2
​

Answer 1

The number of atoms in 22 g of CO2 is

option 1. 0.5 NA

Answer 2

022×10^23(avegadro constant). therefore the number of carbon atoms in 22g is6. 022×10^23/2.as in one atom there is only one atom of carbon. 22 g of CO2, divided by 44 g/mole of CO2 means there are 0.50 mole of CO2.