Molar and molecular weight of NH4Fe(SO4)2

• Molecular formula: NH4Fe(SO4)2 or H4FeNO8S2
• Relative molecular weight of NH4Fe(SO4)2: 266.00866
• Molar mass of NH4Fe(SO4)2: 266.00866 g/mol (0.26601 kg/mol)

Calculation of the relative molecular and molar mass of NH4Fe(SO4)2

• Mr[NH4Fe(SO4)2] = Ar[H] * 4 + Ar[Fe] + Ar[N] + Ar[O] * 8 + Ar[S] * 2 = 1.00794 * 4 + 55.845 + 14.0067 + 15.9994 * 8 + 32.065 * 2 = 266.00866
• Molar mass (kg/mol) = Mr[NH4Fe(SO4)2] : 1000 = 266.00866 : 1000 = 0.26601 kg/mol

NH4Fe(SO4)2: percent composition by element

• Hydrogen (H) = 4.03176 : 266.00866 * 100 = 1.516 %
• Iron (Fe) = 55.845 : 266.00866 * 100 = 20.994 %
• Nitrogen (N) = 14.0067 : 266.00866 * 100 = 5.266 %
• Oxygen (O) = 127.9952 : 266.00866 * 100 = 48.117 %
• Sulfur (S) = 64.13 : 266.00866 * 100 = 24.108 %

Molar mass calculator