Molar and molecular weight of C7H7BO4

• Relative molecular weight of C7H7BO4: 165.93908
• Molar mass of C7H7BO4: 165.93908 g/mol (0.16594 kg/mol)

Calculation of the relative molecular and molar mass of C7H7BO4

• Mr[C7H7BO4] = Ar[C] * 7 + Ar[H] * 7 + Ar[B] + Ar[O] * 4 = 12.0107 * 7 + 1.00794 * 7 + 10.811 + 15.9994 * 4 = 165.93908
• Molar mass (kg/mol) = Mr[C7H7BO4] : 1000 = 165.93908 : 1000 = 0.16594 kg/mol

C7H7BO4: percent composition by element

• Carbon (C) = 84.0749 : 165.93908 * 100 = 50.666 %
• Hydrogen (H) = 7.05558 : 165.93908 * 100 = 4.252 %
• Boron (B) = 10.811 : 165.93908 * 100 = 6.515 %
• Oxygen (O) = 63.9976 : 165.93908 * 100 = 38.567 %

Molar mass calculator