Molar and molecular weight of Mn3(PO4)2

• Molecular formula: Mn3(PO4)2 or Mn3O8P2
• Relative molecular weight of Mn3(PO4)2: 354.756859
• Molar mass of Mn3(PO4)2: 354.756859 g/mol (0.35476 kg/mol)

Calculation of the relative molecular and molar mass of Mn3(PO4)2

• Mr[Mn3(PO4)2] = Ar[Mn] * 3 + Ar[O] * 8 + Ar[P] * 2 = 54.938045 * 3 + 15.9994 * 8 + 30.973762 * 2 = 354.756859
• Molar mass (kg/mol) = Mr[Mn3(PO4)2] : 1000 = 354.756859 : 1000 = 0.35476 kg/mol

Mn3(PO4)2: percent composition by element

• Manganese (Mn) = 164.814135 : 354.756859 * 100 = 46.458 %
• Oxygen (O) = 127.9952 : 354.756859 * 100 = 36.08 %
• Phosphorus (P) = 61.947524 : 354.756859 * 100 = 17.462 %

Molar mass calculator