Molar mass of potassium bromide (KBr)

The molar mass of potassium bromide (KBr) is 119.002 g/mol.

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Potassium × 1 39.098 = 39.098
Bromine × 1 79.904 = 79.904
Total119.002 g/mol

Percent composition by element

  • Potassium 32.85%
  • Bromine 67.15%

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H2O NaCl CO2 C6H12O6 H2SO4 Ca(OH)2 CuSO4·5H2O C8H10N4O2

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Related compounds

KCl Potassium chloride KOH Potassium hydroxide KClO3 Potassium chlorate KAl(SO4)2·12H2O Potassium alum KI Potassium iodide K2Cr2O7 Potassium dichromate

FAQ

What is the molar mass of KBr?

The molar mass of potassium bromide (KBr) is 119.002 g/mol.

How do you calculate the molar mass of KBr?

Multiply the atomic mass of each element by the number of its atoms in KBr, then add the results: 1 × 39.098 (K) + 1 × 79.904 (Br) = 119.002 g/mol.

What percentage of KBr is Bromine?

Bromine makes up 67.15% of the mass of potassium bromide (KBr).