Write formula, total ionic, and net ionic equations for the following reactions:

Question

Write formula, total ionic, and net ionic equations for the following reactions: Use the solubility table in Appendix 5 for reactions that were not observed directly in this experiment. All reactions are in aqueous solutions. (a) Sodium bromide and silver nitrate. (b) Sodium carbonate and silver nitrate. (c) Sodium arsenate and barium chloride. Write net ionic equations for the following reaction. Assume that a precipitate is formed in each case. (a) sodium iodide and silver nitrate. (b) Sodium acetate and silver nitrate. (c) Sodium phosphate and barium chloride. (d) Sodium sulfate and barium chloride.

Explanation / Answer

a) sodium bromide and silver nitrate

AgNO3 (aq) + NaBr (aq) -----> AgBr (s) + NaNO3 (aq)

number of atom in reactant is equal to number of atom in product so chemical reaction is balence

Total Ionic Equation:

Ag+ (aq) + NO31- (aq) + Na1+ (aq) + Br- (aq) -----> AgBr (s) + Na+ (aq) + NO31- (aq)

net ionic equation of reaction

Ag+ (aq) + Br- (aq) ----> AgBr (s)

charge of reactant and product is balence

b) chemical reaction of sodium carbonate and silver nitrate

2AgNO3 (aq) + Na2CO3 (aq) -----> Ag2CO3 (s) + 2NaNO3 (aq)

reaction is balence

Total Ionic Equation:

2Ag+ (aq) + 2NO31- (aq) + 2Na1+ (aq) + CO32- (aq) -----> Ag2CO3 (s) + 2Na+ (aq) + 2NO31- (aq)

Net Ionic Equation:
2Ag+ (aq) + CO32- (aq) -----> Ag2CO3 (s)

c) sodium arsenate and barium chloride

2Na3AsO4 (aq) + 3BaCl2(aq) --> Ba3(AsO4)2(s) + 6NaCl(aq)

balance chemical reaction

ionic equation of reaction

6Na+ + 2AsO43- + 3Ba2+ + 6Cl- ------> Ba3(AsO4)2 (s) + 6Na+ + 6Cl-

net ionic equation

3Ba2+ + 2AsO43- --> Ba3(AsO4)2 (s)

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