Question

Identify the spectator ions in this reaction. Check all that apply.

2H+ + CO32– + 2Na+ + 2OH– ----> 2Na+ + CO32– + 2H2O

H+

CO32–

Na+

OH–

2H2O

Answer 1

The two correct answers are:

CO32–

Na+

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Answer 2

`Na^+\text{ and }CO_3^-`

Step-by-step explanation:

Complete ionic equation : In complete ionic equation, all the substance that are strong electrolyte and present in an aqueous are represented in the form of ions.

Net ionic equation : In the net ionic equations, we are not include the spectator ions in the equations.

Only the species which are present in aqueous state dissociate.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

The complete ionic equation in separated aqueous solution will be,

`2H^+_((aq))+CO_3^-_((aq))+2Na^+_((aq))+2OH^-_((aq))\rightarrow 2H_2O_((l))+CO_3^-_((aq))+2Na^+_((aq))`

In this equation the species present are,
`Na^+\text{ and }CO_3^-` are the spectator ions.

Hence, the net ionic equation contains specie is

`2H^+_((aq))+2OH^-_((aq))\rightarrow 2H_2O_((l))`