Write balanced molecular AND net ionic equations for the following metathesis (d

Question

Write balanced molecular AND net ionic equations for the following metathesis (double displacement) reactions, if they occur. If no reaction occurs, write NR on the product side. All reactants are aqueous. Phase subscripts must be included to indicate what products stay in solution (aq), and what products precipitate (s).

a) barium nitrate + sodium carbonate

b) lead (II) nitrate + sodium carbonate

c) zinc acetate + sodium carbonate

d) barium nitrate + sodium sulfate

e) lead (II) nitrate + sodium sulfate

f) zinc acetate + sodium sulfate

g) barium nitrate + potassium iodide

h) lead (II) nitrate + potassium iodide

i) zinc acetate + potassium iodide

Explanation / Answer

a) barium nitrate + sodium carbonate

Ba(NO3)2 (aq) + Na2CO3(aq) ------> BaCO3(s) + 2NaNO3(aq)

Ba+2(aq) +2NO3- (aq) + 2Na+(aq)+CO32-(aq) ------> BaCO3(s) + 2Na+(aq)+2NO3-(aq)

Ba+2(aq) +CO32-(aq) ------> BaCO3(s) net ionic equation

b) lead (II) nitrate + sodium carbonate

Pb(NO3)2 (aq) + Na2CO3(aq) ------> PbCO3(s) + 2NaNO3(aq)

Pb+2(aq) +2NO3- (aq) + 2Na+(aq)+CO32-(aq) ------> PbCO3(s) + 2Na+(aq)+2NO3-(aq)

Pb+2(aq) +CO32-(aq) ------> PbCO3(s) net ionic equation

c) zinc acetate + sodium carbonate

(CH3COO)2Zn(aq) + Na2Co3(aq) -------> ZnCO3 (s) + 2CH3COONa(aq)

2CH3COO- (aq)+Zn+2(aq) + Na+(aq)+Co32-(aq) -------> ZnCO3 (s) + 2CH3COO-(aq)+Na+(aq)

Zn+2(aq) +CO32- -------> ZnCO3 (s) net ionic equation

d) barium nitrate + sodium sulfate

Ba(NO3)2 (aq) + Na2SO4(aq) ------> BaSO4(s) + 2NaNO3(aq)

Ba+2(aq) +2NO3- (aq) + 2Na+(aq)+SO42-(aq) ------> BaSo4(s) + 2Na+(aq)+2NO3-(aq)

Ba+2(aq) +So42-(aq) ------> BaSo4(s) net ionic equation

e) lead (II) nitrate + sodium sulfate

Pb(NO3)2 (aq) + Na2SO4(aq) ------> PbSO4(s) + 2NaNO3(aq)

Pb+2(aq) +2NO3- (aq) + 2Na+(aq)+SO42-(aq) ------> PbSo4(s) + 2Na+(aq)+2NO3-(aq)

Pb+2(aq) +So42-(aq) ------> PbSo4(s) net ionic equation

f) zinc acetate + sodium sulfate

(CH3COO)2Zn(aq) + Na2SO4(aq) -------> ZnSO4 (s) + 2CH3COONa(aq)

2CH3COO- (aq)+Zn+2(aq) + 2Na+(aq)+So42-(aq) -------> ZnCO3 (s) + 2CH3COO-(aq)+Na+(aq)

Zn+2(aq) +SO42- -------> ZnSO4 (s) net ionic equation

g) barium nitrate + potassium iodide

   Ba(NO3)2(aq) + 2KI ------> BaI2(s) + 2KNO3(aq)

Ba+2 (aq)+2NO3-(aq) + 2K+(aq)+2I -------> BaI2(s) + 2K+(aq)+2NO3-(aq)

Ba+2 (aq)+2I -------> BaI2(s) net ionic equation

h) lead (II) nitrate + potassium iodide

Pb(NO3)2(aq) + 2KI ------> PbI2(s) + 2KNO3(aq)

Pb+2 (aq)+2NO3-(aq) + 2K+(aq)+2I -------> PbI2(s) + 2K+(aq)+2NO3-(aq)

Pb+2 (aq)+2I -------> PbI2(s) net ionic equation

i) zinc acetate + potassium iodide

(CH3COO)2Zn (aq) + 2KI (aq)-------> ZnI2(s) + 2CH3COOK(aq)

2CH3COO-(aq) +Zn+2 (aq) + 2K+(aq)+2I -(aq)-------> ZnI2(s) + 2CH3COO-+2K+(aq)

Zn+2 (aq)+2I -(aq)-------> ZnI2(s) net ionic equation

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