Molar and molecular weight of C15H21NO4

• Relative molecular weight of C15H21NO4: 279.33154
• Molar mass of C15H21NO4: 279.33154 g/mol (0.27933 kg/mol)

Calculation of the relative molecular and molar mass of C15H21NO4

• Mr[C15H21NO4] = Ar[C] * 15 + Ar[H] * 21 + Ar[N] + Ar[O] * 4 = 12.0107 * 15 + 1.00794 * 21 + 14.0067 + 15.9994 * 4 = 279.33154
• Molar mass (kg/mol) = Mr[C15H21NO4] : 1000 = 279.33154 : 1000 = 0.27933 kg/mol

C15H21NO4: percent composition by element

• Carbon (C) = 180.1605 : 279.33154 * 100 = 64.497 %
• Hydrogen (H) = 21.16674 : 279.33154 * 100 = 7.578 %
• Nitrogen (N) = 14.0067 : 279.33154 * 100 = 5.014 %
• Oxygen (O) = 63.9976 : 279.33154 * 100 = 22.911 %

Molar mass calculator