Solubility Rules

What are the ions in CuSO₄?

• Cu⁺ and SO₄^2-

• Cu^2- and SO₄²⁺

• CuS²⁺ and O₄^2-

• Cu²⁺ and SO₄^2-

What are the ions in potassium chloride (KCl)?

• P⁺ and Cl^-

• K⁺ and Cl^-

• K^- and Cl⁺

• Po⁺ and Ch^-

What is the symbol for the nitrate ion?

• NO₃^-

• NO₂^-

• NO₃^2-

• NO₂^2-

All chlorides (Cl^-), bromides (Br^-), and iodides (I^-) are soluble except when combined with Ag⁺ or Pb⁺².  Based on this, which of the following would NOT be soluble in water?

• CaBr₂

• PbCl₂

• NaI

What is the symbol for the sulfate ion?

• SO₂^4-

• SO₃^2-

• SO₄^2-

Is CaSO₄ soluble or insoluble?

• Insoluble

• Soluble

Is K₂SO₄ soluble or insoluble?

• Insoluble

• Soluble

What is the formula for the carbonate ion?

• CO₃^-

• CO₂^3-

• CO₂^2-

• CO₃^2-

Is (NH₄)₂CO₃ soluble or insoluble?

• soluble

• insoluble

Is MgCO₃ soluble or insoluble?

• insoluble

• soluble