the molecular formula of the compound is - C₁₁H₂₀O₂ formula mass is the sum of the products of the relative atomic masses of the elements by the number of atoms of the corresponding element r.a.m -relative atomic mass the elements making up the compound with their relative atomic masses are; C - 12 r.a.m - 11 C atoms H - 1 r.a.m - 20 H atoms O - 16 r.a.m - 2 O atoms the formula mass- (11 x r.a.m of C ) + (20 x r.a.m of H ) + ( 2 x r.a.m of O) formula mass = (11 x 12) + (20 x 1) + (2 x 16) = 132 + 20 + 32 = 184 formula mass of compound is 184
