Interaction | Reaction | Process     Data Page

Calcium bicarbonate is only stable in solution.

The forward reaction above explains why the lime water precipitate (formed when CO2 is bubbled through) dissolves when excess CO2 is added.

The reverse reaction causes the formation of stalactites and stalagmites in lime stone caves.
CaCO3
  +  
CO2
  +  
H2O
  +  
H2O
         
Ca2+
  +  
2
[HCO3]–
Reactant Page Go To Go To
Calcium carbonate     Reactions Using    Reactions Forming
Carbon dioxide     Reactions Using    Reactions Forming
Water     Reactions Using    Reactions Forming
Water Solvent    Reactions Using    Reactions Forming
Calcium ion     Reactions Using    Reactions Forming
Bicarbonate ion     Reactions Using    Reactions Forming

Interaction, Reaction, Process defined as:
Ligand Exchange (Inorganic)
Type 7 Lewis Acid/Base Complexation Chemistry

© Mark R. Leach 1999 –

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