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Properties of Ni2O3

Properties of Ni2O3 (Nickel(III) oxide):

Compound NameNickel(III) oxide
Chemical FormulaNi2O3
Molar Mass165.385 g/mol
Physical properties
Appearanceblack-dark gray solid
Solubilitynegligible
Density4.8400 g/cm³
Helium 0.0001786
Iridium 22.562
Melting600.00 °C
Helium -270.973
Hafnium carbide 3958

Alternative Names

Nickel sesquioxide
nickel trioxide
Nickel (III) oxide

Elemental composition of Ni2O3
ElementSymbolAtomic weightAtomsMass percent
NickelNi58.6934270.9779
OxygenO15.9994329.0221
Mass Percent CompositionAtomic Percent Composition
Ni: 70.98%O: 29.02%
Ni Nickel (70.98%)
O Oxygen (29.02%)
Ni: 40.00%O: 60.00%
Ni Nickel (40.00%)
O Oxygen (60.00%)
Mass Percent Composition
Ni: 70.98%O: 29.02%
Ni Nickel (70.98%)
O Oxygen (29.02%)
Atomic Percent Composition
Ni: 40.00%O: 60.00%
Ni Nickel (40.00%)
O Oxygen (60.00%)
Identifiers
CAS Number1314-06-3
SMILES[O-2].[O-2].[O-2].[Ni+3].[Ni+3]
Hill formulaNi2O3

Related compounds
FormulaCompound name
NiONickel(II) oxide

Sample reactions for Ni2O3
EquationReaction type
AgNO2 + Ni2O3 = Ag2O + Ni(NO2)3double replacement
Ni2O3 = Ni + O2decomposition

Related
Molecular weight calculator
Oxidation state calculator

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