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Iron (III) Chloride Hexahydrate Is Used as a Coagulant for Sewage

Question 75

Multiple Choice

Iron (III) chloride hexahydrate is used as a coagulant for sewage and industrial wastes. What is its formula?


A) Fe(Cl·6H2O) 3
B) Fe 3Cl·6H 2O
C) FeCl 3(H 2O) 6
D) Fe 3Cl(H 2O) 6
E) FeCl 3·6H 2O

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