Precipitation Reactions and Net Ionic Equations

When solutions of two ionic compounds are combined and a solid forms, the process is called

• hydration

• solvation

• dissociation

• precipitation

Precipitation reactions: when chemicals in a solution react to form ___

• a gas

• a liquid

• a solid

• rain

Tags

NGSS.MS-PS1-2

Which of the following compounds is SOLUBLE?

• copper carbonate

• calcium carbonate

• potassium carbonate

• strontium carbonate

What is the net ionic equation for the precipitation reaction between BaCl₂ and Na₂SO₄?

• BaCl₂(aq) + Na₂SO₄(aq) --> BaSO₄(s) + 2NaCl(aq)

• Na⁺(aq) + Cl^-(aq) --> NaCl(s)

• Ba²⁺(aq) + SO₄^2-(aq) --> BaSO₄(s)

• Ba²⁺(aq) + 2Cl^-(aq) + 2 Na⁺(aq) + SO₄^2-(aq) --> BaSO₄(s) + 2Cl^-(aq) + 2Na⁺(aq)

Tags

NGSS.HS-PS1-7

When solutions of MgCO₃ and Fe₂(SO₄)₃ are combined, what precipitate(s) forms?

• MgSO₄

• neither form a precipitate

• MgSO₄ and Fe₂(CO₃)₃

• Fe₂(CO₃)₃

Identify the spectator ion(s) in the equation: 2Ag⁺(aq) + 2NO₃^–(aq) + 2Na⁺(aq) + S^2–(aq) --> Ag₂S(s) + 2Na⁺(aq) + 2NO₃^–(aq)

• 2Ag⁺(aq) + 2NO^3–(aq)

• 2Na⁺(aq) + 2NO₃^–

• 2Na⁺(aq) + S^2–(aq)

• Ag₂S(s) + 2Na⁺(aq

What would be the formula of the precipitate that forms when Pb(NO₃)₂ (aq) and K₂SO₄ (aq) are mixed?

• K(NO₃)₂

• PbSO₄

• PbK₂

• H₂O

What is the net ionic equation for the precipitation reaction between BaCl₂ and Na₂SO₄?

• BaCl₂(aq) + Na₂SO₄(aq) --> BaSO₄(s) + 2NaCl(aq)

• Na⁺(aq) + Cl^-(aq) --> NaCl(s)

• Ba²⁺(aq) + SO₄^2-(aq) --> BaSO₄(s)

• Ba²⁺(aq) + 2Cl^-(aq) + 2 Na⁺(aq) + SO₄^2-(aq) --> BaSO₄(s) + 2Cl^-(aq) + 2Na⁺(aq)

When solutions of MgCO₃ and Fe₂(SO₄)₃ are combined, what precipitate(s) forms?

• MgSO₄

• neither form a precipitate

• MgSO₄ and Fe₂(CO₃)₃

• Fe₂(CO₃)₃

Tags

NGSS.HS-PS1-1

Identify the spectator ion(s) in the equation: 2Ag⁺(aq) + 2NO₃^–(aq) + 2Na⁺(aq) + S^2–(aq) --> Ag₂S(s) + 2Na⁺(aq) + 2NO₃^–(aq)

• 2Ag⁺(aq) + 2NO^3–(aq)

• 2Na⁺(aq) + 2NO₃^–

• 2Na⁺(aq) + S^2–(aq)

• Ag₂S(s) + 2Na⁺(aq