Nickel(II) carbonate

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Nickel(II) carbonate
Nickel(II) carbonate
Other names nickelous carbonate
Molecular formula NiCO3
Molar mass 118.70 g/mol
Appearance light green powder
CAS number [3333-67-3]
Density and phase ?
Solubility in water negligible
Melting point decomposes
EU classification not listed
NFPA 704 File:Nfpa h2.pngFile:Nfpa f0.pngFile:Nfpa r0.png
Except where noted otherwise, data are given for
materials in their standard state (at 25 °C, 100 kPa)
Infobox disclaimer and references

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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