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The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
The extent of solubility ranges widely, from infinitely soluble (without limit, i.e. miscible [2]) such as ethanol in water, to essentially insoluble, such as titanium dioxide in water. A number of other descriptive terms are also used to qualify the extent of solubility for a given application.
The tables below provides information on the variation of solubility of different substances (mostly inorganic compounds) in water with temperature, at one atmosphere pressure. Units of solubility are given in grams of substance per 100 millilitres of water (g/(100 mL)), unless shown otherwise. The substances are listed in alphabetical order.
“Soluble fibers can dissolve in water and insoluble fibers do not dissolve in water,” says Landry. “In our intestines, soluble fiber dissolves into a gel.
If the substance lacks the ability to dissolve in water, the molecules form a precipitate. [3] When writing the equations of precipitation reactions, it is essential to determine the precipitate. To determine the precipitate, one must consult a chart of solubility. Soluble compounds are aqueous, while insoluble compounds are the precipitate.
The straight-chain carboxylic acids up to butanoic acid (with four carbon atoms) are miscible with water, pentanoic acid (with five carbons) is partly soluble, and hexanoic acid (with six) is practically insoluble, [5] as are longer fatty acids and other lipids; the very long carbon chains of lipids cause them almost always to be immiscible ...
PbCl 2 is sparingly soluble in water, solubility product K sp = 1.7 × 10 −5 at 20 °C. It is one of only 5 commonly water-insoluble chlorides, the other 4 being thallium(I) chloride , silver chloride (AgCl) with K sp = 1.8 × 10 −10 , copper(I) chloride (CuCl) with K sp = 1.72 × 10 −7 and mercury(I) chloride (Hg 2 Cl 2 ) with K sp = 1.3 ...
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