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Yna9141
In this item, it is assume that we are to express the dissociation of the formula unit given to be FeCl₂ into its ionic components. 

As seen in the chemical formula, the unit is composed of iron (Fe) and chlorine (Cl). The dissociation is written as follows;

     FeCl₂ --> Fe²⁺ + Cl⁻

This equation is balanced by multiplying the appropriate component with a number that would equate the number of atoms in both sides of the equation.

     FeCl₂ --> Fe²⁺ + 2Cl⁻

[tex]\rm \bold{ FeCl_2}[/tex] dissociate into [tex]\rm \bold{ Fe^2^+}[/tex] and [tex]\rm \bold{ 2Cl^-}[/tex] ions.

[tex]\rm \bold{ FeCl_2}[/tex] is made up of  iron Fe and Chlorine Cl. Its dissociation reaction will be

[tex]\rm \bold{ FeCl_2 \rightarrow Fe^2^++2Cl^-}[/tex]

Hence, we can conclude that  [tex]\rm \bold{ FeCl_2}[/tex] dissociate into [tex]\rm \bold{ Fe^2^+}[/tex] and [tex]\rm \bold{ 2Cl^-}[/tex] ions.

To know more about dissociation reaction, refer to the link:

https://brainly.com/question/5687191?referrer=searchResults

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