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Define dissolution? What are the factors affecting the dissolution of solute solid in solvent?

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Dissolution: - The transfer of molecules of loins form solute state in a solution is known as dissolution.
It is the process of dissolving solid part (solute) in the solvent (liquid).

The following (influence) the dissolution of a substance:

1. Temperature.
2. Particular size of solute
3. Agitation (concentration of the solvent)
4. Solvent selection (properties of solvent)

EX: - water of oily.

Temperature: - In most cases of dissolution of sold (solute) in a liquid involves the absorption of heat. If the temperature is increased then the dissolution will be more & if the temperature is decreased than the dissolution will be less. So, dissolution depends on the temperature.

Particle Size: - The dissolution rate of (d) depends on its particle size. small particle size, dissolution will be more and large particle size , dissolution will be less. The absorption depends upon the dissolution rate of (d). So determination of dissolution rate of any solute (d) is very important.

Agitation: - Dissolution also depends on the concentration of the solvent. If the solvent is more concentrated dissolution will be less. If the solvent is less concentrated dissolution will be more.

Solvent selection: - Dissolution also depends on the concentration of the solvent. In water dissolution rate will be more than oily solvent.
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