calcium chloride & its uses Free Essay, Term Paper and Book Report
Calcium chloride is an ionic compound formed when calcium and chlorine come together. It is highly soluble in water and it is also deliquescent. It is a salt that is solid at room temperature, and has several common applications. Calcium chloride can be produced directly from limestone, but larger amounts are produced as a by-product of the Solvay process. Because of its hygroscopic nature, it must be kept in tightly-sealed containers. Millions of tons of calcium chloride are made each year in the US alone, and in 1990 the bulk price there was 182 dollars per ton. Calcium chloride has many common uses. For example, due to the fact that it is strongly hygroscopic, gases may be channeled through a column of calcium chloride to remove moisture. Thus, calcium chloride is particularly used to pack drying tubes to exclude atmospheric moisture from a reaction set-up while allowing gases to escape. This compound, known as a drying agent or desiccant, can also be added to liquids to remove suspended or dissolved water. As it absorbs water or water vapor from the substance to be dried calcium ......
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