Question

hi frd i need your help ans this pls ​

Answer 1

1. 23+1+12+12×3 = 84 g/mol
2. d.i.y
3. 24+32+16×4 = 120g/mol
4. 23+35.5 = 58.5g/mol
5. 40+32+16×4 = 136g/mol