Molar Mass of Ba(OH)2 (Barium Hydroxide)
Molar Mass Calculator
What is the molar mass of Ba(OH)2?
Answer
M(Ba(OH)2) ≈
171.34 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Ba: 137.33.
Ba(OH)2 = Ba + 2 × (O + H) → Ba 1, O 2, H 2
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Babarium | 1 | 137.33 | 137.33 w ≈ 80.15% | ≈ 80.15% |
| Ooxygen | 2 | 15.999 | 31.998 w ≈ 18.67% | ≈ 18.67% |
| Hhydrogen | 2 | 1.0080 | 2.0160 w ≈ 1.18% | ≈ 1.18% |
| Σ = 171.344 ≈ 171.34 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
Ba 80.15%
O 18.67%H 1.18%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| BaO₂ (barium peroxide) | 169.33 |
| BaS (barium sulfide) | 169.39 |
| AgNO₃ (silver nitrate) | 169.87 |
| Ba(OH)₂ (barium hydroxide) | 171.34 |
| CeO₂ (cerium(IV) oxide) | 172.12 |
| CaSO₄·2H₂O (calcium sulfate dihydrate) | 172.16 |
| Yb (ytterbium) | 173.05 |