Molar Mass of CoCl2 (Cobaltous Chloride)
Molar Mass Calculator
What is the molar mass of CoCl2?
Answer
M(CoCl2) ≈
129.83 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Cl: 35.45.
COCl2 (phosgene) is a different substance: M(COCl2) = 98.91 g/mol.
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Cocobalt | 1 | 58.933 | 58.933 w ≈ 45.39% | ≈ 45.39% |
| Clchlorine | 2 | 35.45 | 70.90 w ≈ 54.61% | ≈ 54.61% |
| Σ = 129.833 ≈ 129.83 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
Cl 54.61%Co 45.39%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| C₁₀H₈ (naphthalene) | 128.174 |
| CdO (cadmium oxide) | 128.41 |
| NiCl₂ (nickel(II) chloride) | 129.59 |
| CoCl₂ (cobaltous chloride) | 129.83 |
| C₆H₁₀O₃ (ethyl acetoacetate) | 130.143 |
| Xe (xenon) | 131.29 |
| (NH₄)₂HPO₄ (dibasic ammonium phosphate) | 132.056 |