1. Consider the reaction when aqueous solutions of potassium acetate and sodium

Question

1. Consider the reaction when aqueous solutions of potassium acetate and sodium hydroxide are combined? what is the net ionic equation?
2.consider the reaction when aqueous solutions of barium hydroxide and iron (ii) acetate are combined. What is the net ionic equation ?
3.Consider the reaction when aqueous solutions of chromium (iii) bromide and barium sulfide are combined. What is the net ionic equation?
4.Consider the reaction when aqueous solutions of sodium sulfide and chromium (ii) iodide are combined. What is the net ionic equation?
5. write a net ionic equation for the reactio that occurs when calcium sulfate( s) and excess hydrochloric acid (aq) are combined?
6.write a net ionic equation for the reaction that occurs when zinc carbonate (s) and excess hydrochloric acid (aq) are combined?

Explanation / Answer

1. Reaction

CH3COOK(aq) + NaOH(aq) ---> CH3COONa(aq) + KOH(aq)

net-ionic equation,

no reaction

2. molecular,

Ba(OH)2(aq) + Fe(CH3COO)2(aq) --> Ba(CH3COO)2(aq) + Fe(OH)2(s)

net-ionic,

Fe2+(aq) + 2OH-(aq) --> Fe(OH)2(s)

3. molecular,

2CrBr3(aq) + 3BaS(aq) --> Cr2S3(s) + 3BaBr2(aq)

net-ionic,

Cr3+(aq) + 3S^2-(aq) --> Cr2S3(s)

4. 3Na2S(aq) + 2CrI3(aq) --> Cr2S3(s) + 6NaI(aq)

net-ionic,

3S^2-(aq) + 2Cr3+(aq) --> Cr2S3(s)

5. molecular equation,

CaSO4(s) + 2HCl(aq) --> CaCl2(aq) + H2SO4(aq)

net-ionic,

CaSO4(s) + 2H+(aq) --> Ca2+(aq) + H+(aq) + HSO4-(aq)

6. molecular equation,

ZnCO3(s) + 2HCl(aq) --> ZnCl2(aq) + H2O(l) + CO2(g)

net-ionic,

ZnCO3(s) + 2H+(aq) --> Zn2+(aq) + H2O(l) + CO2(g)

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