Molar and molecular weight of P2Zn3

• Molecular formula: P2Zn3 or Zn3P2
• Relative molecular weight of P2Zn3: 258.174524
• Molar mass of P2Zn3: 258.174524 g/mol (0.25817 kg/mol)

Calculation of the relative molecular and molar mass of P2Zn3

• Mr[P2Zn3] = Ar[P] * 2 + Ar[Zn] * 3 = 30.973762 * 2 + 65.409 * 3 = 258.174524
• Molar mass (kg/mol) = Mr[P2Zn3] : 1000 = 258.174524 : 1000 = 0.25817 kg/mol

P2Zn3: percent composition by element

• Phosphorus (P) = 61.947524 : 258.174524 * 100 = 23.994 %
• Zinc (Zn) = 196.227 : 258.174524 * 100 = 76.006 %

Molar mass calculator