Question

Select the incorrect sets of elements and their molecular mass.
02 = 32 u, CO2 = 44u
02 = 16 u, CO2 = 18 u
0,= 32 u, H,0 = 18 u
| H
CO2 = 46 u, H2O = 16 u​

Answer 1

correct masses are following:-

O2 32u

CO2 44u

H2O 18u

hence incorrect are O2 16

H2O 16

CO2 46