Chapter 9 Solubility Rules & Precipitation
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20 Terms
Precipitate
An insoluble solid that forms from a reaction.
Precipitation Reaction
A reaction that forms a precipitate.
Why does water dissolve ionic compounds?
Because water is polar.
Hydration
Water molecules surrounding dissolved ions.
Solubility
The maximum amount of solute that dissolves in a solvent.
Compounds containing NO3− are generally what?
Soluble.
Compounds containing Group 1 ions are generally what?
Soluble.
Compounds containing NH4+ are generally what?
Soluble.
Most chlorides (Cl−) are what?
Soluble.
Most bromides (Br−) are what?
Soluble.
Most iodides (I−) are what?
Soluble.
Exceptions to soluble halides?
Ag+, Pb2+, Hg22+.
Most sulfates are what?
Soluble.
Exceptions to sulfate solubility?
BaSO4, PbSO4, CaSO4.
Carbonates (CO32−) are generally what?
Insoluble.
Phosphates (PO43−) are generally what?
Insoluble.
Hydroxides (OH−) are generally what?
Insoluble.
Molecular Equation
Shows compounds as complete formulas.
Ionic Equation
Shows strong electrolytes as ions.
Net Ionic Equation
Shows only species involved in the reaction.