Molar and molecular weight of C5H8O

• Molecular formula: C5H8O or (CH2)4CO
• Relative molecular weight of C5H8O: 84.11642
• Molar mass of C5H8O: 84.11642 g/mol (0.08412 kg/mol)

Calculation of the relative molecular and molar mass of C5H8O

• Mr[C5H8O] = Ar[C] * 5 + Ar[H] * 8 + Ar[O] = 12.0107 * 5 + 1.00794 * 8 + 15.9994 = 84.11642
• Molar mass (kg/mol) = Mr[C5H8O] : 1000 = 84.11642 : 1000 = 0.08412 kg/mol

C5H8O: percent composition by element

• Carbon (C) = 60.0535 : 84.11642 * 100 = 71.393 %
• Hydrogen (H) = 8.06352 : 84.11642 * 100 = 9.586 %
• Oxygen (O) = 15.9994 : 84.11642 * 100 = 19.021 %

Molar mass calculator