Molar and molecular weight of C18H34

• Relative molecular weight of C18H34: 250.46256
• Molar mass of C18H34: 250.46256 g/mol (0.25046 kg/mol)

Calculation of the relative molecular and molar mass of C18H34

• Mr[C18H34] = Ar[C] * 18 + Ar[H] * 34 = 12.0107 * 18 + 1.00794 * 34 = 250.46256
• Molar mass (kg/mol) = Mr[C18H34] : 1000 = 250.46256 : 1000 = 0.25046 kg/mol

C18H34: percent composition by element

• Carbon (C) = 216.1926 : 250.46256 * 100 = 86.317 %
• Hydrogen (H) = 34.26996 : 250.46256 * 100 = 13.683 %

Molar mass calculator