Molar and molecular weight of KBrO3

• Molecular formula: KBrO3 or BrKO3
• Relative molecular weight of KBrO3: 167.0005
• Molar mass of KBrO3: 167.0005 g/mol (0.167 kg/mol)

Calculation of the relative molecular and molar mass of KBrO3

• Mr[KBrO3] = Ar[Br] + Ar[K] + Ar[O] * 3 = 79.904 + 39.0983 + 15.9994 * 3 = 167.0005
• Molar mass (kg/mol) = Mr[KBrO3] : 1000 = 167.0005 : 1000 = 0.167 kg/mol

KBrO3: percent composition by element

• Bromine (Br) = 79.904 : 167.0005 * 100 = 47.847 %
• Potassium (K) = 39.0983 : 167.0005 * 100 = 23.412 %
• Oxygen (O) = 47.9982 : 167.0005 * 100 = 28.741 %

Molar mass calculator