The following compound is water soluble. What ions are produced when the compound is in aqueous solution? Enter each ion preceded by the number produced upon dissolution.
1. FeCl_2
2. (NH_4)_2S

1. FeCl₂

Fe²⁺ - 1 ion

Cl⁻ - 2 ions

2. (NH₄)₂S

NH₄⁺ - 2 ions

S²⁻ - 1 ion        

Explanation:

Ionic compounds are chemical compounds that consists of positively and negatively charged ions. The negatively charged ions called anions and the positively charged ions called cations are held together by electrostatic forces of attraction.

When an ionic compound is added to a highly polar solvent such as water, the compound dissolves by dissociating into its constituent ions due to the strong ion-dipole interactions between the ions and the polar water molecules.    

Therefore,

1. FeCl₂  dissociates in water to give the following ions:

2. (NH₄)₂S dissociates in water to give the following ions:

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