Consider the total ionic equation below. Upper B a superscript 2 plus, plus 2 upper N upper O subscript 3 superscript minus, plus 2 upper N a superscript plus, plus upper C upper O subscript 3 superscript 2 minus right arrow upper Ba upper C Upper O subscript 3 plus 2 upper N a superscript plus, plus 2 upper N upper O subscript 3 superscript minus. Which is the net ionic equation for the reaction? Upper B a superscript 2 plus, plus upper C upper O subscript 3 superscript 2 minus right arrow upper B a upper C upper O subscript 3. 2 upper N a superscript plus, plus upper C upper O subscript 3 superscript 2 minus right arrow upper N a subscript 2 upper C upper O subscript 3. Upper N upper O subscript 3 superscript minus, plus upper N a superscript plus right arrow upper N a upper N upper O subscript 3. Upper B a superscript 2 plus, plus 2 upper N upper O subscript 3 superscript minus right arrow upper B a (upper N upper O subscript 3) subscript 2.

A net ionic equation can be defined as a type of chemical equation which depicts only the chemical species of elements, molecules or ions that are actively involved in a chemical reaction.

The properly balanced total ionic equation for this chemical reaction is given by:

Ba²⁺ + 2NO₃⁻ + 2Na⁺ + CO₃²⁻ -----> BaCO₃ + 2Na⁺ + 2NO₃⁻

For the above, NO₃⁻ and Na⁺ would cancel out each other because they are not actively involved in the chemical reaction. Thus, the net ionic equation for this chemical reaction is written as follows:

Ba²⁺ + CO₃²⁻ -----> BaCO₃

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