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Calcium carbonate

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Calcium carbonate

Molecular formula: CCaO3 CAS# 471-34-1
Categories: Inorganic salt
PubChem CID: 10112
Names
English:
Calcium carbonate(IUPAC)
Limestone
aragonite
calcite
chalk
marble
pearl

Variants of the formula:

CaCO3
Ca(+2)C(+4)O(-2)3
CaCO3"`(s)`"
$slope(35)Ca^++`/0O^-\C|O`|/O^-
Ca^2+\0O`^-/C`|O|\O^-
Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Calcium carbonate is involved

  • CaCO3 + SiO2 "950-1500^oC"--> CaSiO3 + CO2"|^"
  • {M}(OH)2 + H2{X} = {M}{X} + 2H2O , where M = Mg Ca Ba Sr Cu Zn; X = SO4 SO3 CO3
  • {M}CO3 + 2H{X} -> {M}{X}2 + CO2"|^" + H2O , where M = Ca Mg Ba Sr Cd Zn Be Mn Pb; X = F Cl Br I
  • {M}CO3 + H2{X} = {M}{X} + CO2"|^" + H2O , where M = Mg Ca Ba Sr Zn Cd Be Ni Mn; X = SO4
  • CaCO3 + H2S "900^oC"--> CaS + H2O + CO2