Molar and molecular weight of C12H26

• Molecular formula: C12H26 or CH3(CH2)10CH3
• Relative molecular weight of C12H26: 170.33484
• Molar mass of C12H26: 170.33484 g/mol (0.17033 kg/mol)

Calculation of the relative molecular and molar mass of C12H26

• Mr[C12H26] = Ar[C] * 12 + Ar[H] * 26 = 12.0107 * 12 + 1.00794 * 26 = 170.33484
• Molar mass (kg/mol) = Mr[C12H26] : 1000 = 170.33484 : 1000 = 0.17033 kg/mol

C12H26: percent composition by element

• Carbon (C) = 144.1284 : 170.33484 * 100 = 84.615 %
• Hydrogen (H) = 26.20644 : 170.33484 * 100 = 15.385 %

Molar mass calculator