Solubility Rules.

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Presentation transcript:

Solubility Rules

Vocab Soluble Insoluble Precipitate Dissolves in aqueous solutions Does not dissolve in aqueous solutions Precipitate An insoluble substance (s) made during the reaction of two solutions (aq)

General Solubility Rules Use STAAR Chart to determine Which Ionic compounds are soluble (aq) and insoluble (s)

How to predict products Ex.) Na2 SO4(aq) + BaCl2(aq)  ? 1. Switch the two metals Na2 SO4(aq) + BaCl2(aq)  NaCl + BaSO4 2. Check the charges Na1+ Cl1- + Ba2+ SO42- 3. Balance the equation Na2 SO4(aq) + BaCl2(aq)  2NaCl + BaSO4 4. Check for solubility Na2 SO4(aq) + BaCl2(aq)  2NaCl(aq) + BaSO4(s)