Problem: From the balanced molecular equations, write the complete ionic and net ionic equations for the following:(a) K2C2O4(aq) + Ba(OH)2(aq) ⟶ 2KOH(aq) + BaC2O4(s)

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FREE Expert Solution

Step 1: Write the total or full ionic equation.

• soluble ionic compounds separate and become ions in the chemical equation
• compounds that are aqueous can break up into ions
• insoluble compounds (solids, liquids, and gases) will not break up the solution

The given reaction is balanced: 

K2C2O4(aq) + Ba(OH)2(aq) ⟶ 2 KOH(aq) + BaC2O4(s)

▪ K2C2O4(aq) → 2 K+(aq) + C2O42-(aq)
▪ Ba(OH)2(aq) → Ba2+(aq) + 2 OH-(aq)
▪ 2 KOH(aq) → 2 K+(aq) + 2 OH-(aq)


Complete Ionic Equation:

2 K+(aq) + 2 C2O42-(aq) + Ba2+(aq) + 2 OH-(aq) → 2 K+(aq) + 2 OH-(aq) + BaC2O4(s)


 Step 2: Write the net ionic equation.

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Problem Details

From the balanced molecular equations, write the complete ionic and net ionic equations for the following:

(a) K2C2O4(aq) + Ba(OH)2(aq) ⟶ 2KOH(aq) + BaC2O4(s)


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