Molar and molecular weight of C10H8

• Relative molecular weight of C10H8: 128.17052
• Molar mass of C10H8: 128.17052 g/mol (0.12817 kg/mol)

Calculation of the relative molecular and molar mass of C10H8

• Mr[C10H8] = Ar[C] * 10 + Ar[H] * 8 = 12.0107 * 10 + 1.00794 * 8 = 128.17052
• Molar mass (kg/mol) = Mr[C10H8] : 1000 = 128.17052 : 1000 = 0.12817 kg/mol

C10H8: percent composition by element

• Carbon (C) = 120.107 : 128.17052 * 100 = 93.709 %
• Hydrogen (H) = 8.06352 : 128.17052 * 100 = 6.291 %

Molar mass calculator