Solubility Equilibrium (HSC SSCE Chemistry): Flashcards

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Solubility Equilibrium
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Solubility threshold for 'insoluble' compounds

Less than 1 g L−11 \text{ g L}^{-1}

Extent of dissolution for all ionic compounds

All dissolve to some extent, even 'insoluble' ones

Dynamic equilibrium in solubility

Ions leave solid at same rate as they rejoin lattice

Symbol for solubility product

KspK_{sp}

Types of salts where KspK_{sp} applies

Sparingly soluble or insoluble salts only

Species included in KspK_{sp} expression

Only aqueous ions, not the solid

Power of ion concentration in KspK_{sp}

Raised to stoichiometric coefficient from equation

Position of solid in solubility equilibrium equation

Left side; ions on right side

Type of equilibrium in solubility systems

Heterogeneous equilibrium

When dynamic equilibrium occurs in solubility

At saturation

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