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5Al3+ + 8[Al(OH)4] → Al13O4(OH)247+ + 4H2O

Reaction of aluminium ion and tetrahydroxidoaluminate ion
5Al3+Aluminium ion + 8[Al(OH)4]Tetrahydroxidoaluminate ion
Al13O4(OH)247+Tridecaaluminium tetracosahydroxide tetraoxide ion + 4H2OWater

The reaction of aluminium ion and tetrahydroxidoaluminate ion yields tridecaaluminium tetracosahydroxide tetraoxide ion and water (Other reactions are here). This reaction is an acid-base reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related reactions
  5. 5Related categories

Reaction data

Chemical equation

Reaction of aluminium ion and tetrahydroxidoaluminate ion
5Al3+Aluminium ion + 8[Al(OH)4]Tetrahydroxidoaluminate ion
Al13O4(OH)247+Tridecaaluminium tetracosahydroxide tetraoxide ion + 4H2OWater

General equation

Reaction of cation and anion
CationLewis acid + AnionLewis base
ProductLewis conjugate + (H2O)

Oxidation state of each atom

Reaction of aluminium ion and tetrahydroxidoaluminate ion

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
Al3+Aluminium ion5
Lewis acid
Cation
[Al(OH)4]Tetrahydroxidoaluminate ion8
Lewis base
Anion

Products

Chemical formulaNameCoefficientTypeType in general
equation
Al13O4(OH)247+Tridecaaluminium tetracosahydroxide tetraoxide ion1
Lewis conjugate
H2OWater4
Water

Thermodynamic changes

Thermodynamic data of reactants

Chemical formulaStandard enthalpy
of formation
ΔfH°
kJ · mol−1
Standard Gibbs
energy of
formation
ΔfG°
kJ · mol−1
Standard
molar entropy
S°
J · K−1 · mol−1
Standard molar
heat capacity at
constant pressure
Cp°
J · K−1 · mol−1
Al3+ (g)5483.17[1]
Al3+ (ao)-531[1]-485[1]-321.7[1]
[Al(OH)4] (ao)-1502.5[1]-1305.3[1]102.9[1]
* (g):Gas, (ao):Un-ionized aqueous solution

Thermodynamic data of products

Chemical formulaStandard enthalpy
of formation
ΔfH°
kJ · mol−1
Standard Gibbs
energy of
formation
ΔfG°
kJ · mol−1
Standard
molar entropy
S°
J · K−1 · mol−1
Standard molar
heat capacity at
constant pressure
Cp°
J · K−1 · mol−1
Al13O4(OH)247+
H2O (cr)
H2O (l)-285.830[1]-237.129[1]69.91[1]75.291[1]
H2O (g)-241.818[1]-228.572[1]188.825[1]33.577[1]
* (cr):Crystalline solid, (l):Liquid, (g):Gas

References

List of references

  1. 1