Question

Number of water molecules for water of crystallisation in cacl2

Answer 1

The "dot" in the chemical formula indicates that two water molecules (h2o) are attached or bound to the calcium chloride (cacl2) ions by weak chemical bonds. The water molecule in calcium chloride dehydratd can be remove by heating the hydrate.

Answer 2

Answer:

There will be 6 water molecule for crystallisation in CaCl2.

Explanation:

• The full name will be Calcium chloride hexa hydrate.
• The structural formula is CaCl2.6H2O
• The "dot" in the chemical formula denotes that six water molecules (h2o) are linked or bonded by weak chemical bonds to the calcium chloride (cacl2) ions.
• By heating the hydrate, the water molecule in calcium chloride will get removed.
• Different crystallisation speeds are caused by changes in the initial salt content.
• The crystallisation rate at the droplet interface is many orders of magnitude lower than that of a thin layer.  
• The crystallisation rate along the droplet's contact line is several times greater than in the direction of the droplet radius.
• The area of the crystal film (outside the drop) rises numerous times throughout the course of crystallisation.

So to conclude with there are 6 Water molecule in Calcium chloride hexa hydrate for crystallisation which gets dehydrate upon heating.

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