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Properties of Ni(OH)2

Properties of Ni(OH)2 (Nickel(II) hydroxide):

Compound NameNickel(II) hydroxide
Chemical FormulaNi(OH)2
Molar Mass92.70808 g/mol

Chemical structure
Ni(OH)2 (Nickel(II) hydroxide) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
Appearancegreen crystals
Solubility0.0015 g/100mL
Density4.1000 g/cm³
Helium 0.0001786
Iridium 22.562
Melting230.00 °C
Helium -270.973
Hafnium carbide 3958
Thermochemistry
Enthalpy of Formation-538.00 kJ/mol
Adipic acid -994.3
Tricarbon 820.06
Standard Entropy79.00 J/(mol·K)
Ruthenium(III) iodide -247
Chlordecone 764

Alternative Names

Nickel hydroxide, Theophrastite

Elemental composition of Ni(OH)2
ElementSymbolAtomic weightAtomsMass percent
NickelNi58.6934163.3099
OxygenO15.9994234.5157
HydrogenH1.0079422.1744
Mass Percent CompositionAtomic Percent Composition
Ni: 63.31%O: 34.52%H: 2.17%
Ni Nickel (63.31%)
O Oxygen (34.52%)
H Hydrogen (2.17%)
Ni: 20.00%O: 40.00%H: 40.00%
Ni Nickel (20.00%)
O Oxygen (40.00%)
H Hydrogen (40.00%)
Mass Percent Composition
Ni: 63.31%O: 34.52%H: 2.17%
Ni Nickel (63.31%)
O Oxygen (34.52%)
H Hydrogen (2.17%)
Atomic Percent Composition
Ni: 20.00%O: 40.00%H: 40.00%
Ni Nickel (20.00%)
O Oxygen (40.00%)
H Hydrogen (40.00%)
Identifiers
CAS Number12054-48-7
SMILES[Ni+2].[OH-].[OH-]
Hill formulaH2NiO2

Related compounds
FormulaCompound name
Ni(O)(OH)Nickel oxide hydroxide

Sample reactions for Ni(OH)2
EquationReaction type
Ni(OH)2 + H2SO4 = NiSO4 + H2Odouble replacement
Ni(OH)2 = NiO + H2Odecomposition
Fe + Ni(OH)2 = Ni + Fe(OH)3single replacement
Ni(OH)2 + HCl = NiCl2 + H2Odouble replacement

Related
Molecular weight calculator
Oxidation state calculator

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