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Experiment 11 Title: Determination of the Cations and Anions via their Precipitation and Solubility Properties. Objectives:> To classify a number of ions on the basis of their solubility.> To identify two unknown ionic compounds on the basic of their solubility.> To draw a conclusion from observations of a number of precipitation reaction.> To identify the cations and anions in an unknown solution based on its reactivity.> To study the solubility properties of the compounds. Introduction: Precipitation is the formation of a solid in a solution during a chemical reaction. When the chemical reaction occurs the solid formed is called the precipitate. This can occur when an insoluble substance, the precipitate, is formed in the solution due to a reaction or when the solution has been supersaturated by a compound. The formation of a precipitate is a sign of a chemical change. In most situations, the solid forms ("falls") out of the solute phase,...

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