How is the solubility of a substance ususally described?

Answer:
"Soluble" redirects here. For the algebraic object called a soluble group, see Solvable group. Solubility is the property of a solid, liquid, or gaseous chemical substance called solute to dissolve in a liquid solvent to form a homogeneous solution. The solubility of a substance strongly depends on the used solvent as well as on temperature and pressure. The extent of the solubility of a substance in a specific solvent is measured as the saturation concentration where adding more solute does not increase the concentration of the solution.
The solubility of a solute in a solvent can be described in many different ways. It can be described in terms of g solute/g solvent (% mass) , mol solute/kg of solvent (molality), and even mol solute/mol solvent. Additionally, there are other ways to describe the solubility of a solute, but g solute/g solvent is the most common.
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