Molar and molecular weight of C18H22O2

• Molecular formula: C18H22O2 or (C6H5C(CH3)2O)2
• Relative molecular weight of C18H22O2: 270.36608
• Molar mass of C18H22O2: 270.36608 g/mol (0.27037 kg/mol)

Calculation of the relative molecular and molar mass of C18H22O2

• Mr[C18H22O2] = Ar[C] * 18 + Ar[H] * 22 + Ar[O] * 2 = 12.0107 * 18 + 1.00794 * 22 + 15.9994 * 2 = 270.36608
• Molar mass (kg/mol) = Mr[C18H22O2] : 1000 = 270.36608 : 1000 = 0.27037 kg/mol

C18H22O2: percent composition by element

• Carbon (C) = 216.1926 : 270.36608 * 100 = 79.963 %
• Hydrogen (H) = 22.17468 : 270.36608 * 100 = 8.202 %
• Oxygen (O) = 31.9988 : 270.36608 * 100 = 11.835 %

Molar mass calculator