Molar and molecular weight of (NH4)2SO3

• Molecular formula: (NH4)2SO3 or H8N2O3S
• Relative molecular weight of (NH4)2SO3: 116.14012
• Molar mass of (NH4)2SO3: 116.14012 g/mol (0.11614 kg/mol)

Calculation of the relative molecular and molar mass of (NH4)2SO3

• Mr[(NH4)2SO3] = Ar[H] * 8 + Ar[N] * 2 + Ar[O] * 3 + Ar[S] = 1.00794 * 8 + 14.0067 * 2 + 15.9994 * 3 + 32.065 = 116.14012
• Molar mass (kg/mol) = Mr[(NH4)2SO3] : 1000 = 116.14012 : 1000 = 0.11614 kg/mol

(NH4)2SO3: percent composition by element

• Hydrogen (H) = 8.06352 : 116.14012 * 100 = 6.943 %
• Nitrogen (N) = 28.0134 : 116.14012 * 100 = 24.12 %
• Oxygen (O) = 47.9982 : 116.14012 * 100 = 41.328 %
• Sulfur (S) = 32.065 : 116.14012 * 100 = 27.609 %

Molar mass calculator