Question

Why do certain crystals do not contain water of crystallization?

Answer 1

Answer:

Due to the absence of space between molecules or due to the absence of adsorption capabilities

Explanation:

may be there are no free space between the molecules of those crystals to have water molecules

Answer 2

Answer:

Salts like Potassium Chloride, Barium Sulphate, Sodium Nitrate, Potassium Nitrate do not contain any water of crystallization. ... Water of crystallization is formed when crystals are formed from some aqueous solutions. This is also responsible for the colour as well as the geometric shape of a crystal

Explanation: