When mgf2 dissolves in water, three total ions are produced for each individual formula unit of mgf2?

The given formula unit is MgF₂. The formula unit of MgF₂ represents the lowest whole number ratio of ions present in it.  

Dissociation of MgF₂ in water is as follows:

MgF₂ --> Mg²⁺ + 2F⁻

MgF₂ is an ionic compound. It dissolves in water to release one divalent cation of Mg²⁺ and two monovalent F⁻anion.  

Thus, when MgF₂ dissolves in water, three total ions produced are Mg²⁺ and 2F⁻.

your answer is c) plasma

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