Molar and molecular weight of H6B2

• Molecular formula: H6B2 or B2H6
• Relative molecular weight of H6B2: 27.66964
• Molar mass of H6B2: 27.66964 g/mol (0.02767 kg/mol)

Calculation of the relative molecular and molar mass of H6B2

• Mr[H6B2] = Ar[H] * 6 + Ar[B] * 2 = 1.00794 * 6 + 10.811 * 2 = 27.66964
• Molar mass (kg/mol) = Mr[H6B2] : 1000 = 27.66964 : 1000 = 0.02767 kg/mol

H6B2: percent composition by element

• Hydrogen (H) = 6.04764 : 27.66964 * 100 = 21.857 %
• Boron (B) = 21.622 : 27.66964 * 100 = 78.143 %

Molar mass calculator