Molar and molecular weight of HAuCl4

• Relative molecular weight of HAuCl4: 339.786509
• Molar mass of HAuCl4: 339.786509 g/mol (0.33979 kg/mol)

Calculation of the relative molecular and molar mass of HAuCl4

• Mr[HAuCl4] = Ar[H] + Ar[Au] + Ar[Cl] * 4 = 1.00794 + 196.966569 + 35.453 * 4 = 339.786509
• Molar mass (kg/mol) = Mr[HAuCl4] : 1000 = 339.786509 : 1000 = 0.33979 kg/mol

HAuCl4: percent composition by element

• Hydrogen (H) = 1.00794 : 339.786509 * 100 = 0.297 %
• Gold (Au) = 196.966569 : 339.786509 * 100 = 57.968 %
• Chlorine (Cl) = 141.812 : 339.786509 * 100 = 41.736 %

Molar mass calculator