Nickel(II) carbonate
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| Nickel(II) carbonate | |
|---|---|
| Image:Nickel(II) carbonate.jpg | |
| Other names | nickelous carbonate |
| Identifiers | |
| CAS number | [3333-67-3] |
| Properties | |
| Molecular formula | NiCO3 |
| Molar mass | 118.70 g/mol |
| Appearance | light green powder |
| Density | ? |
| Melting point |
decomposes |
| Solubility in water | negligible |
| Hazards | |
| EU classification | not listed |
| NFPA 704 |
 0
2
0
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| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Nickel(II) carbonate is the chemical compound with the formula NiCO3. It is a pale green polymeric solid consisting of Ni2+ cations and [CO3]2- anions. NiCO3 does not actually dissolve in any solvent, but is readily decomposed by aqueous acids to give solutions containing the ion [Ni(H2O)6]2+, liberating water and carbon dioxide in the process. Pyrolysis of NiCO3 gives NiO:
- NiCO3 → NiO + CO2
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