Solubility Rules (HSC SSCE Chemistry): Flashcards

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Solubility Rules
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Meaning of aqueous solution

Solution where water is the solvent

What is dissociation

Ionic compound separates into individual ions

Soluble compound threshold

More than 10 g L110 \text{ g L}^{-1}

Insoluble compound threshold

Less than 1 g L11 \text{ g L}^{-1}

What is a precipitation reaction

Reaction producing an insoluble solid (precipitate)

What are spectator ions

Ions that don't participate in the reaction

What net ionic equation shows

Only the reacting ions (spectator ions removed)

Solubility of Group 1 and NH4+\text{NH}_4^+ salts

All are soluble

Solubility of NO3\text{NO}_3^- compounds

All are soluble (no exceptions)

What happens when ionic substances dissolve

They dissociate into freely moving ions

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