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Properties of K3CrO8

Properties of K3CrO8 (Potassium tetraperoxochromate(V)):

Compound NamePotassium tetraperoxochromate(V)
Chemical FormulaK3CrO8
Molar Mass297.2862 g/mol

Chemical structure
K3CrO8 (Potassium tetraperoxochromate(V)) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
Appearanceblack
Solubilityreacts
Melting70.00 °C
Helium -270.973
Hafnium carbide 3958

Alternative Names

Potassium perchromate
Potassium peroxochromate
Potassium tetraperoxochromate

Elemental composition of K3CrO8
ElementSymbolAtomic weightAtomsMass percent
PotassiumK39.0983339.4552
ChromiumCr51.9961117.4903
OxygenO15.9994843.0545
Mass Percent CompositionAtomic Percent Composition
K: 39.46%Cr: 17.49%O: 43.05%
K Potassium (39.46%)
Cr Chromium (17.49%)
O Oxygen (43.05%)
K: 25.00%Cr: 8.33%O: 66.67%
K Potassium (25.00%)
Cr Chromium (8.33%)
O Oxygen (66.67%)
Mass Percent Composition
K: 39.46%Cr: 17.49%O: 43.05%
K Potassium (39.46%)
Cr Chromium (17.49%)
O Oxygen (43.05%)
Atomic Percent Composition
K: 25.00%Cr: 8.33%O: 66.67%
K Potassium (25.00%)
Cr Chromium (8.33%)
O Oxygen (66.67%)
Identifiers
CAS Number12331-76-9
SMILES[O-][O-].[O-][O-].[O-][O-].[O-][O-].[K+].[K+].[K+].[Cr+5]
Hill formulaCrK3O8

Related compounds
FormulaCompound name
K3CrO4Potassium hypochromate
K2CrO4Potassium chromate
K2Cr2O7Potassium dichromate

Related
Molecular weight calculator
Oxidation state calculator

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