Molar and molecular weight of Na4V2O7

• Relative molecular weight of Na4V2O7: 305.83787712
• Molar mass of Na4V2O7: 305.83787712 g/mol (0.30584 kg/mol)

Calculation of the relative molecular and molar mass of Na4V2O7

• Mr[Na4V2O7] = Ar[Na] * 4 + Ar[V] * 2 + Ar[O] * 7 = 22.98976928 * 4 + 50.9415 * 2 + 15.9994 * 7 = 305.83787712
• Molar mass (kg/mol) = Mr[Na4V2O7] : 1000 = 305.83787712 : 1000 = 0.30584 kg/mol

Na4V2O7: percent composition by element

• Sodium (Na) = 91.95907712 : 305.83787712 * 100 = 30.068 %
• Vanadium (V) = 101.883 : 305.83787712 * 100 = 33.313 %
• Oxygen (O) = 111.9958 : 305.83787712 * 100 = 36.619 %

Molar mass calculator