Molar Mass of KBr (Potassium Bromide)
Molar Mass Calculator
What is the molar mass of KBr?
Answer
M(KBr) =
119.002 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Kpotassium | 1 | 39.098 | 39.098 w ≈ 32.85% | ≈ 32.85% |
| Brbromine | 1 | 79.904 | 79.904 w ≈ 67.15% | ≈ 67.15% |
| Σ = 119.002 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
Br 67.15%
K 32.85%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| Sn (tin) | 118.71 |
| CoCO₃ (cobalt(II) carbonate) | 118.941 |
| Cl₂OS (thionyl chloride) | 118.96 |
| KBr (potassium bromide) | 119.002 |
| CHCl₃ (chloroform) | 119.37 |
| HMnO₄ (permanganic acid) | 119.942 |
| FeS₂ (ferrous disulfide) | 119.97 |