Molar and molecular weight of SeCl4

• Relative molecular weight of SeCl4: 220.772
• Molar mass of SeCl4: 220.772 g/mol (0.22077 kg/mol)

Calculation of the relative molecular and molar mass of SeCl4

• Mr[SeCl4] = Ar[Se] + Ar[Cl] * 4 = 78.96 + 35.453 * 4 = 220.772
• Molar mass (kg/mol) = Mr[SeCl4] : 1000 = 220.772 : 1000 = 0.22077 kg/mol

SeCl4: percent composition by element

• Selenium (Se) = 78.96 : 220.772 * 100 = 35.765 %
• Chlorine (Cl) = 141.812 : 220.772 * 100 = 64.235 %

Molar mass calculator