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nature : a certain temperature and pressure, the material in a certain amount of solvent dissolved the most substantial. Solute solid or liquid solubility, 100 grams of solvent commonly used by the dissolved solute grams said. For example, at 20 ° C and atmospheric pressure, potassium nitrate in water solubility of 31.5 g / 100 grams of water, or the 31.5 grams. The solute gas solubility, per milliliter of solvents commonly used by the gas dissolved ml said. For example, at 20 ° C and atmospheric pressure, ammonia is the solubility of 700 ml / 1 ml of water. The solubility of substances with the exception of the solute and solvent to the nature, but also with the temperature, pressure and other conditions. With increasing temperature, the majority of solids and liquids increased solubility, gas decreases. With the pressure mounting, and the whole gas increases the solubility of solid and liquid changes were small.
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