Solubility Rules for Double Replacement

What is the precipitate of this reaction? MgCl₂ + 2 NaOH --> Mg(OH)₂ + 2 NaCl

• MgCl₂

• NaOH

• Mg(OH)₂

• NaCl

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which product above is the precipitate?

• CaCl₂(aq)

• AgNO₃(aq)

• Ca(NO₃)₂(aq)

• AgCl(s)

KOH

• Soluble 

• Insoluble

What of these is always soluble?

• Nitrates

• Phosphates

• Carbonates

• Hydroxides

What is the precipitate of this reaction?

• Na₂O

• NiF₂

• NaF

• NiO

Mixing Fe(NO₃)_{2 (aq)} and Na₂CO_{3 (aq)} causes an orange precipitate to form. What is the chemical formula of the precipitate?

• Fe(NO₃)_{2 (s)}

• FeCO_{3 (s)}

• NaNO_{3 (s)}

• Na₂(NO₃)_{2 (s)}

Tags

NGSS.MS-PS1-2

According to the solubility rules (chart), compounds containing Ammonium cations, NH₄⁺ are:

• Not Soluble

• Sometimes Soluble

• Always Soluble

• Always insoluble

According to the solubility rules (reference chart), compounds containing Hydroxide anions, OH^-

• are insoluble when combined with ammonium

• are always insoluble

• are soluble when combined with group 1 elements

• are insoluble when they form compounds with Calcium

Predict the Products of the double-replacement (precipitate) reactions

K₃PO₄(aq) + AlCl₃(aq) →

• K₃PO₄ (s) + AlCl (aq)

• KCl (aq) + Al₂(PO₄)₃ (s)

• KCl (s) + Al₂(PO₄)₃ (aq)

• K₃AL (s) + Cl₃PO₄ (aq)

Tags

NGSS.HS-PS1-1

KBr

• Soluble

• Insoluble