Solutions

Solutions

1. Solubility

   • Major entities
     • Depends on solubility of the products
     • Write out charges
     • Leave out coefficients
   • Acids
     • 6 strong acids have high solubility
     • Weak acids don't split
   • Ionic compounds
     • Check page 6 for solubilities
   • Molecular compounds
     • H-Bond = Soluble
     • No H-Bond = Low solubility

2. Dissociation

   • Ionic
     • Soluble compounds dissociate into ions
   • Molecular
     • Soluble compounds become aqueous
   • Acids
     • Weak acids remain an aqueous compound
     • The 6 strong acids dissociate into H+ ion and the anion
   • Elements
     • Have low solubility but still write out as aqueous in dissociation equation.
     • Be careful of diatomic elements
     • Phosphorus and sulfur are P4 S8 respectively

3. Writing equations

   • Always write products as aqueous in a dissociation equation
     • Not to be confused with balanced equation
   • Write out balanced equation
     • Know which are ionic , acids, and molecular
       • Check solubility on each
         • Write out total ionic equation
           • Cancel out spectator ions
             • Write out net ionic equation and reduce coefficients if possible
           • Elements have no charge and are in their natural sates
   • Be careful of acids and molecular compounds
     • Weak acids don't split. Strong acids do.
     • Molecular compounds don't split

4. Concentration

   • Volume%
   • Mass%
   • M/V%
   • ppm and ppb
   • Molar Concentration

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