Preparation of Magnesium Chloride
Magnesium Chloride (MgCl2) is a naturally occurring inorganic compound, which can be prepared by various methods as mentioned below:
- When Magnesium (Mg) reacts with Hydrochloric Acid (HCl), produces MgCl2 with Hydrogen gas as:
Mg + 2HCl → MgCl2 + H2
- Magnesium Chloride is mostly formed when Magnesium carbonate reacts with HCl, along with carbon dioxide and water as,
MgCO3 + 2HCl → MgCl2 + CO2 + H2O
- Magnesium Chloride is mostly formed by the Dow process. It is a white power or small crystals and is pretty stable at normal pressure and temperature.
Mg+2 + Ca(OH)2 → Mg(OH)2 + Ca+2
Mg(OH)2 + 2HCl → MgCl2 + H2O
- One of the methods to prepare magnesium chloride in its anhydrous is by the chemical reaction between magnesium and mercury (II) chloride as,
Mg + HgCl2 → MgCl2 + Hg
Magnesium Chloride Formula
Magnesium Chloride or Magnesium Dichloride or Chloromagnesite is a chemical compound with the molecular formula MgCl2. Magnesium Chloride is an ionic salt that is highly soluble in water. This inorganic compound generally consists of one magnesium ion (Mg+2) and two chloride ions (Cl–). Magnesium chloride crystals can be either hydrated or anhydrous. The magnesium chloride salt can be obtained from the seawater or brine solution. An essential mineral for humans, magnesium chloride is an inorganic compound that occurs naturally and has a wide range of uses in industry and medicine.
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