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This is a list of the solubility rules for ionic solids in water. Solubility is a result of an interaction between polar water molecules and the ions which make up a crystal. Two forces determine the extent to which the solution will occur:


This unusual structure and strong polarity are what give water many of its unusual properties, such as its high surface tension and thermal capacity, in addition to its ability to dissolve so many ionic compounds. Unlike most solutes, some ionic compounds, such as table salt, vary little in solubility with temperature.


Many ionic metal compounds are insoluble in water. We call these compounds insoluble salts, although, it is usually better to describe them as sparingly soluble salts. Calcium carbonate, copper (I) chloride, and lead sulfide are examples of such salts.


4.2 sample exercise; classify the following ionic compounds as soluble or insoluble in water: (a) sodium carbonate (Na2CO3) solution: table 4.1 indicates that although most sulfates are water soluble, the sulfate of Pb2+ is an exception.


Thanks for you question regarding solubility in water. When compounds are insoluble in water, the general reason is that the bonding within that species is stronger than bonding that could occur between it and water. Another factor that helps to determine solubility in water is how much is your solvent like water? Iodine is basically insoluble in water.


How to Memorize the Solubility Rules for Common Ionic Compounds in Water. The maximum amount of a solute dissolved in a solvent at equilibrium is described as solubility. An insoluble compound is one that will form a precipitate (a...


All ionic compounds are soluble in water to some extent, but the degree of solubility varies. While some compounds dissolve almost completely, others dissolve to such a small extent that they are simply called insoluble compounds. Such compounds include calcium sulfate, silver chloride, and lead hydroxide.

www.iun.edu/~cpanhd/C101webnotes/chemical reactions/solubilityrules.html

Determining which compounds are soluble and not soluble in a water medium is not a simple task. However, a set of rules that help in this regard can be stated. These rules are known as "solubility rules". Below is a set of solubility rules.


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Solubility constants are used to describe saturated solutions of ionic compounds of relatively low solubility (see solubility equilibrium). The solubility constant is a special case of an equilibrium constant. It describes the balance between dissolved ions from the salt and undissolved salt.