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. sodium bromide and silver nitrate. sodium carbonate and silver nitrate. Sodium arsenate and barium chloride. Write net ionic equations for the following reactions. Assume that a precipitate is formed in each case. sodium iodide and silver nitrate. Sodium acetate and silver nitrate. Sodium phosphate and barium chloride. Sodium sulfate and barium chloride.

Explanation / Answer

2)

a)

molecular formula :

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

total ionic :

Na+(aq) + Br-(aq) + Ag+ (aq)+ NO3- (aq) --------------> AgBr (s) + Na+(aq) + NO3- (aq)

net ionic :

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

b)

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

total ionic :

2 Na+ (aq) + CO32- (aq) + 2 Ag+ (aq)+ 2 NO3- (aq) --------------> Ag2CO3 (s) + 2 Na+ (aq) + 2 NO3- (aq)

net ionic :

2 Ag+ (aq) + CO32-  (aq) ---------------> Ag2CO3 (s)

c)

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

total ionic :

6 Na+ (aq) + 2 ASO43- (aq) +3 Ba+2 (aq) + 6 Cl- (aq) ---------------> Ba3(AsO4)2 (aq) + 6 Na+ (aq) + 6 Cl- (aq)

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