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Properties of H3PO3

Properties of H3PO3 (Phosphoric(III) acid):

Compound NamePhosphoric(III) acid
Chemical FormulaH3PO3
Molar Mass81.995782 g/mol

Chemical structure
H3PO3 (Phosphoric(III) acid) - Chemical structure
Lewis structure
3D molecular structure

Elemental composition of H3PO3
ElementSymbolAtomic weightAtomsMass percent
HydrogenH1.0079433.6878
PhosphorusP30.973762137.7748
OxygenO15.9994358.5374
Mass Percent CompositionAtomic Percent Composition
H: 3.69%P: 37.77%O: 58.54%
H Hydrogen (3.69%)
P Phosphorus (37.77%)
O Oxygen (58.54%)
H: 42.86%P: 14.29%O: 42.86%
H Hydrogen (42.86%)
P Phosphorus (14.29%)
O Oxygen (42.86%)
Mass Percent Composition
H: 3.69%P: 37.77%O: 58.54%
H Hydrogen (3.69%)
P Phosphorus (37.77%)
O Oxygen (58.54%)
Atomic Percent Composition
H: 42.86%P: 14.29%O: 42.86%
H Hydrogen (42.86%)
P Phosphorus (14.29%)
O Oxygen (42.86%)
Identifiers
Hill formulaH3O3P

Related compounds
FormulaCompound name
HPO3Metaphosphoric acid
H3OPPhosphinous acid
H3PO4Phosphoric acid
H3PO2Hypophosphorous acid
H3PO5Peroxymonophosphoric acid
H4P2O6Hypophosphoric acid
H4P2O8Peroxydiphosphoric acid
H4P2O7Pyrophosphoric acid
H5P3O10Triphosphoric acid

Sample reactions for H3PO3
EquationReaction type
H3PO3 = H2O + P2O3decomposition

Related
Molecular weight calculator
Oxidation state calculator

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