Molar and molecular weight of P4O10

• Molecular formula: P4O10 or O10P4
• Relative molecular weight of P4O10: 283.889048
• Molar mass of P4O10: 283.889048 g/mol (0.28389 kg/mol)

Calculation of the relative molecular and molar mass of P4O10

• Mr[P4O10] = Ar[O] * 10 + Ar[P] * 4 = 15.9994 * 10 + 30.973762 * 4 = 283.889048
• Molar mass (kg/mol) = Mr[P4O10] : 1000 = 283.889048 : 1000 = 0.28389 kg/mol

P4O10: percent composition by element

• Oxygen (O) = 159.994 : 283.889048 * 100 = 56.358 %
• Phosphorus (P) = 123.895048 : 283.889048 * 100 = 43.642 %

Molar mass calculator