Factors affeccting the solubilty are:
1. the nature of solute/solvent (chemical composition, polarity)
2. temperature
3. pressure
4. stirring
5. surface area of the solute
6. some added compounds
7. amount of the solute 8. the geometry of the beaker
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A saturated solution a solution in which the maximum amount of solute has dissolved in the solvent at a given temperature. For many solids dissolved in liquid water, the solubility increases with temperature.
The solubility of a substance may be altered by changes in temperature and/or pressure.
When it is on movement it has more energy ---------------------- The solubilty of gases in liquids is increased when the temperature is lowered and the pressure is increased.
The ratio of observed solubility to that of equilibrium solubility is the degree of supersaturation
Henry's law - the relationship between pressure and the solubility of a gas within a liquid. The solubilities of solids and liquids are not affected by pressure.
The salt which has the least solubility in water is mercury sulfide. It is ridiculously insoluble. Not even a single atom will dissolve.I believe that all the mercurous salts are insoluble, but that conflicts with the dictum that all nitrates are soluble. And so mercurous nitrate is sparingly soluble.presumably this is the only mercurous salt that is at all soluble.
Not soluble in water