Molar and molecular weight of As

• Relative molecular weight of As: 74.9216
• Molar mass of As: 74.9216 g/mol (0.07492 kg/mol)

Calculation of the relative molecular and molar mass of As

• Mr[As] = Ar[As] = 74.9216 = 74.9216
• Molar mass (kg/mol) = Mr[As] : 1000 = 74.9216 : 1000 = 0.07492 kg/mol

Molar mass calculator