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ChemistryChemistry
30 May, 19:43

Which substance is most likely to form in a precipitation reaction?

A. calcium nitrate

B. copper (I) nitrate

C. iron (I) chloride

D. iron (II) sulfide

E. potassium sulfate

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Answers (2)
  1. 30 May, 20:00
    0
    The answer is: D. iron (II) sulfide.

    Iron (II) sulfide is black, water-insoluble solid.

    Iron (Fe) is metal and sulfur (S) is nonmetal.

    Iron has positive charge 2 + (cations) and sulfur negative charge 2 - (anion), which means iron lost two electrons and sulfur gain two electrons.

    Balanced chemical reaction: Fe + S → FeS.
  2. 30 May, 20:08
    0
    D is the answer on this one
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Home » Chemistry » Which substance is most likely to form in a precipitation reaction? A. calcium nitrate B. copper (I) nitrate C. iron (I) chloride D. iron (II) sulfide E. potassium sulfate
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