How many oxygen atoms will be present in 88 g of CO₂ ?

1 mole of CO₂ = 44 g
88 g of CO₂ = 2 moles
No. of oxygen atoms in 2 moles = 2 x 2 x N_A
= 2 x 2 x 6.023 x 10²³ = 24.09 x 10²³