Solubility Rules and Precipitate

Which of the following best describes a precipitate?

• solid powder that "falls out" solution when a solid and liquid reactant combine

• solid powder that "falls out" of solution when two aqueous reactants combine

• solid powder that "falls out" of solution when aqueous and gaseous reactants combine

Which of the following best describes a precipitate?

• an insoluble solid

• a soluble solid

• a soluble gas

• an insoluble liquid

AB (aq) + CD (aq) → AD (aq) + CB(s)

Which substance is the precipitate in the reaction above?

• AB

• CD

• AD

• CB

According to the solubility rules, compounds containing ammonium ions, NH₄⁺ are:

• Not Soluble

• Sometimes Soluble

• Always Soluble

• Always insoluble

Use the Solubility Rules to determine if the following compound is soluble in water:

MgCl₂ magnesium chloride

• Soluble

• Insoluble

• Slightly soluble

Use the Solubility Rules to determine if the following compound is soluble in water:

CaSO₄ calcium sulfate

• Soluble

• Insoluble

• Slightly soluble

Use the Solubility Rules to determine if the following compound is soluble in water:

(NH₄)₂CO₃ ammonium carbonate

• Soluble

• Insoluble

• slightly soluble

Use the Solubility Rules to determine if the following compound is soluble in water:

PbCl₂ lead chloride

• Soluble

• Insoluble

• Slightly soluble

Use the Solubility Rules to determine if the following compound is soluble in water:

Al₂(CO₃)₃ aluminium carbonate

• Soluble

• Insoluble

• Slightly soluble

Use the Solubility Rules to determine if the following compound is soluble in water:

Ca(NO₃)₂ calcium nitrate

• Soluble

• Insoluble

• Slightly soluble