Which one of the following compounds contains an ion with a 3+ charge? Na2O CuCl MgCl2 KCl FeCl3
FeCl3 contains an ion with a 3+ charge.
FeCl3 is the chemical name of ferric chloride or iron ||| chloride.
The primary use of ferric chloride is to remove impurities in water and for wastewater treatment. Ferric chloride is also one of the few water treatment chemicals that can sequester odors.
Ferric Chloride or Iron (III) Chloride (FeCl3) is used as a flocculant in sewage treatment and drinking water production. When small quantities of ferric chloride are added to the raw water, iron(III) hydroxide precipitates and adsorbs finely divided solids and colloids.
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