Molar and molecular weight of Zn3P2

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

Calculation of the relative molecular and molar mass of Zn3P2

• Mr[Zn3P2] = Ar[P] * 2 + Ar[Zn] * 3 = 30.973762 * 2 + 65.409 * 3 = 258.174524
• Molar mass (kg/mol) = Mr[Zn3P2] : 1000 = 258.174524 : 1000 = 0.25817 kg/mol

Zn3P2: 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