Question

find number of oxygen atom presint in 4.4g of co2​

Answer 1

Answer:

1.2064e23 or 1.2064×10^23

Answer 2

Explanation:

N/N°=wt/Mwt

N=4.4/44×N°

N=0.1N° molecule

CO2 contain 2oxy atom

Hence

N=0.1N°×2atom

N=0.2N° atom (N° Avogadro No.)