1. Consider the reaction when aqueous solutions of silver(I) acetate and calcium

Question

1.

Consider the reaction when aqueous solutions of silver(I) acetate and calcium iodide are combined. The net ionic equation for this reaction is:

2. Consider the reaction when aqueous solutions of barium bromide and calcium nitrate are combined. The net ionic equation for this reaction is:

3. Consider the reaction when aqueous solutions of barium nitrate and magnesium sulfate are combined. The net ionic equation for this reaction is:

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Explanation / Answer

Answer – We are given reactants and need to write the net ionic reaction

1)silver(I) acetate and calcium iodide

Reaction –

2 AgCH3COO(aq) + CaI2(aq) ------> 2AgI(s) + Ca(CH3COO)2(aq)

Total ionic reaction –

2Ag+(aq) + CH3COO-(aq) + Ca2+(aq) + 2I-(aq) ----> 2 AgI(s) + Ca2+(aq) + CH3COO-(aq)

Net ionic reaction –

2Ag+(aq) + 2I-(aq) ----> 2 AgI(s)                      

Ag+(aq) + I-(aq) ----> AgI(s)

2) barium bromide and calcium nitrate

Reaction –

BaBr2(aq) + Ca(NO3)2(aq) ------> Ba(NO3)2(aq) + CaBr2(aq)

All are in the aqueous phases, so there is no net ionic reaction

Net ionic reaction –

BaBr2(aq) + Ca(NO3)2(aq) ----> No reaction

3) barium nitrate and magnesium sulfate

Ba(NO3)2 (aq) + MgSO4(aq) ------> BaSO4(s) + Mg(NO3)2(aq)

Total ionic reaction –

Ba2+(aq) + 2 NO3-(aq) + Mg2+(aq) + SO42-(aq) -----> BaSO4(s) + Mg2+(aq) + 2 NO3-(aq)

Net ionic reaction –

Ba2+(aq) + SO42-(aq) -----> BaSO4(s)

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