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