Molar and molecular weight of H2SO5

• Molecular formula: H2SO5 or H2O5S
• Relative molecular weight of H2SO5: 114.07788
• Molar mass of H2SO5: 114.07788 g/mol (0.11408 kg/mol)

Calculation of the relative molecular and molar mass of H2SO5

• Mr[H2SO5] = Ar[H] * 2 + Ar[O] * 5 + Ar[S] = 1.00794 * 2 + 15.9994 * 5 + 32.065 = 114.07788
• Molar mass (kg/mol) = Mr[H2SO5] : 1000 = 114.07788 : 1000 = 0.11408 kg/mol

H2SO5: percent composition by element

• Hydrogen (H) = 2.01588 : 114.07788 * 100 = 1.767 %
• Oxygen (O) = 79.997 : 114.07788 * 100 = 70.125 %
• Sulfur (S) = 32.065 : 114.07788 * 100 = 28.108 %

Molar mass calculator