Chemical formula of calcium carbonate
By: Prof. Dr. Fazal Rehman Shamil | Last updated: February 3, 2024

The chemical formula of calcium carbonate is CaCO₃.

Characteristics of calcium carbonate

Properties	Detail
Chemical formula	CaCO₃
Molar mass	100.0869 g/mol
Appearance	White powder or crystals
Odor	Odorless
Density	2.71 g/cm³
Melting point	825°C
Solubility	Slightly soluble in water
pH	Basic
Hardness	3 on the Mohs scale
Crystal structure	Hexagonal
Uses	· Building material · antacid, · dietary supplement, · abrasive, · filler, · flux agent

Reaction Of Calcium Carbonate with Alkali Metal

Alkali Metal	Reaction with Calcium Carbonate
Lithium (Li)	2Li + CaCO₃ react and changes into Li₂CO₃ + Ca
Sodium (Na)	2Na + CaCO₃ react and changes into Na₂CO₃ + Ca
Potassium (K)	2K + CaCO₃ react and changes into K₂CO₃ + Ca
Rubidium (Rb)	2Rb + CaCO₃ react and changes into Rb₂CO₃ + Ca
Cesium (Cs)	2Cs + CaCO₃ react and changes into Cs₂CO₃ + Ca

Reaction Of Calcium Carbonate with Alkaline Earth Metal

Alkaline Earth Metal	Reaction with Calcium Carbonate
Beryllium (Be)	No reaction with calcium carbonate
Magnesium (Mg)	Mg + CaCO_{3 react and changes into}MgCO₃ + Ca
Calcium (Ca)	CaCO₃ + Ca react and changes into 2CaO + CO₂
Strontium (Sr)	Sr + CaCO₃ react and changes into SrCO₃ + Ca
Barium (Ba)	Ba + CaCO₃ react and changes into BaCO₃ + Ca

Reaction Of Calcium Carbonate with Transition Metal

Transition Metal	Reaction with Calcium Carbonate
Scandium (Sc)	No reaction with calcium carbonate
Titanium (Ti)	Ti + 2CaCO₃ react and changes into TiO₂ + 2CaO + 2CO₂
Vanadium (V)	2V + 5CaCO₃ + 11/2O₂ react and changes into 2V₂O₅ + 5CaO + 5CO₂
Chromium (Cr)	2Cr + 3CaCO₃ + 2O₂ react and changes into 2Cr₂O₃ + 3CO₂ + 3CaO
Manganese (Mn)	2Mn + 3CaCO₃ + 2O₂ react and changes into 2MnO₂ + 3CO₂ + 3CaO
Iron (Fe)	2Fe + 3CaCO₃ + 2O₂ react and changes into 2FeO + 3CO₂ + 3CaO

Reaction Of Calcium Carbonate with Non-Transition Metal

Non-Transition Metal	Reaction with Calcium Carbonate
Boron (B)	No reaction with calcium carbonate
Carbon (C)	CaCO₃ + 2HCl react and changes into CaCl₂ + CO₂ + H₂O
Nitrogen (N)	No reaction with calcium carbonate
Oxygen (O)	2CaCO₃ + 2SO₂ + O₂ react and changes into 2CaSO₄+ 2CO₂
Fluorine (F)	No reaction with calcium carbonate
Neon (Ne)	No reaction with calcium carbonate
Aluminum (Al)	2Al + 3CaCO₃ + 3H₂O react and changes into Al₂O₃ + 3CO₂+ 3Ca(OH)₂
Silicon (Si)	No reaction with calcium carbonate
Phosphorus (P)	No reaction with calcium carbonate
Sulfur (S)	CaCO₃ + 2H₂SO_{4 react and changes into}CaSO₄ + H₂O + CO₂ + SO₂
Chlorine (Cl)	CaCO₃ + 2HCl react and changes into CaCl₂ + CO₂ + H₂O

Reaction Of Calcium Carbonate with Non-Metal

Non-Metal	Reaction with Calcium Carbonate
Hydrogen (H)	CaCO₃ + 2HCl react and changes into CaCl₂ + CO₂+ H₂O
Helium (He)	No reaction with calcium carbonate
Boron (B)	No reaction with calcium carbonate
Carbon (C)	CaCO₃ + 2HCl react and changes into CaCl₂ + CO₂ + H₂O
Nitrogen (N)	No reaction with calcium carbonate
Oxygen (O)	2CaCO₃ + 2SO₂ + O₂ react and changes into 2CaSO₄ + 2CO₂
Fluorine (F)	No reaction with calcium carbonate
Neon (Ne)	No reaction with calcium carbonate
Phosphorus (P)	No reaction with calcium carbonate
Sulfur (S)	CaCO₃ + 2H₂SO₄ react and changes into CaSO₄ + H₂O + CO₂ + SO₂
Chlorine (Cl)	CaCO₃ + 2HCl react and changes into CaCl₂ + CO₂ + H₂O

Reaction Of Calcium Carbonate with Metalloid

Metalloid	Reaction with Calcium Carbonate
Boron (B)	No reaction with calcium carbonate
Silicon (Si)	No reaction with calcium carbonate
Germanium (Ge)	No reaction with calcium carbonate
Arsenic (As)	As₂O₃ + 3CaCO₃ + 3C react and changes into 2As + 3CO₂ + 3CaO
Antimony (Sb)	No reaction with calcium carbonate
Tellurium (Te)	No reaction with calcium carbonate

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