An aqueous solution containing Ca^2+, Cl^-, CO3^2-, and NO3^- is allowed to evaporate. Which com

step 1 This one's pretty easy as long as we identify what cation and anion when combined will produce a

An aqueous solution containing Ca^2+, Cl^-, CO3^2-, and...

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Key Concepts

Solubility Product Constant (Ksp)

The solubility product constant is a numerical value that represents the product of the ionic concentrations at equilibrium for a sparingly soluble salt. It indicates the extent to which a compound can dissolve in water, and the salt with the lower Ksp will precipitate first as ion concentrations increase.

Selective Precipitation

Selective precipitation is a technique used to separate ions in a solution based on differences in their solubility. As the solvent evaporates and concentrations rise, the compound with the lowest solubility (lowest Ksp value) will reach its saturation point first and precipitate, thus allowing for targeted separation of ions.

Common Ion Effect

The common ion effect refers to the decrease in solubility of an ionic compound when an ion that is part of its dissolution equilibrium is added from another source. This effect is significant in precipitation reactions, as the presence of common ions can shift the equilibrium, prompting the earlier precipitation of a salt.

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