Question

Or organic substance cantaing carbon 14.8℅,hydrogan5.08℅,oxygen54.22℅

Answer 1

Basic →100 g of compound

  massesM.M moles Ratios Ratio  C403687 12 3.3916 3.4/3.4=1 2  H5.085 1 5.085 5.1/3.4=1.5 3  O54.228 16 3.392 3.4/3.4=1 2 Emperical formula =C2H2O2

Emperical mass =2×12+3×1+2×16

=24+3+32

=59

molecular mass =2×vapor density

=2×59=118

n=E.MM.M=59118=2

molecular formula =n×E.F=2×C2H3O2

=C4H6O4