How do we prepare Hcl gas in laboratory
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Hydrogen chloride is an important chemical of interest not only by itself, but also for preparative purposes. Although available in cylinders of variable capacity and purity, generation of HCl gas is done frequently in chemistry labs. Hydrogen chloride can be prepared by a number of methods, but most procedures found in preparative handbooks make use of concentrated H2SO4. This article explores the use of CaCl2 as an alternative to H2SO4 in the generation of HCl
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Hydrochloric acid is prepared by dissolving hydrogen chloride in water. Hydrogen chloride can be generated in many ways, and thus several precursors to hydrochloric acid exist. The large-scale production of hydrochloric acid is almost always integrated with the industrial scale production of other chemicals.
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