Molar and molecular weight of Mn2O7P2

• Molecular formula: Mn2O7P2 or Mn2P2O7
• Relative molecular weight of Mn2O7P2: 283.819414
• Molar mass of Mn2O7P2: 283.819414 g/mol (0.28382 kg/mol)

Calculation of the relative molecular and molar mass of Mn2O7P2

• Mr[Mn2O7P2] = Ar[Mn] * 2 + Ar[O] * 7 + Ar[P] * 2 = 54.938045 * 2 + 15.9994 * 7 + 30.973762 * 2 = 283.819414
• Molar mass (kg/mol) = Mr[Mn2O7P2] : 1000 = 283.819414 : 1000 = 0.28382 kg/mol

Mn2O7P2: percent composition by element

• Manganese (Mn) = 109.87609 : 283.819414 * 100 = 38.713 %
• Oxygen (O) = 111.9958 : 283.819414 * 100 = 39.46 %
• Phosphorus (P) = 61.947524 : 283.819414 * 100 = 21.826 %

Molar mass calculator