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ChemistryChemistry
9 May, 07:01

Which equations represent precipitation reactions? More than one can be chosen.

A. Na2S + FeBr2 → 2NaBr + FeS

B. MgSO4 + CaCl2 → MgCl2 + CaSO4

C. LiOH + NH4I → LiI + NH4OH

D. 2NaCl + K2S → Na2S + 2KCl

E. AgNO3 + NaCl → AgCl + NaNO3

+2
Answers (2)
  1. 9 May, 09:01
    0
    Answer is:

    A. Na₂S + FeBr₂ → 2NaBr + FeS.

    B. MgSO₄ + CaCl₂ → MgCl₂ + CaSO₄.

    E. AgNO₃ + NaCl → AgCl + NaNO₃.

    Iron sulfide (FeS) has low solubility in water.

    Calcium sulfate (CaSO₄) has low solubility in water and it will form white precipitate.

    Silver chloride (AgCl) has low solubility in water and it will form white precipitate.
  2. 9 May, 09:51
    0
    A. Na₂S + FeBr₂ → 2NaBr + FeS.

    B. MgSO₄ + CaCl₂ → MgCl₂ + CaSO₄.

    E. AgNO₃ + NaCl → AgCl + NaNO₃.
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Home » Chemistry » Which equations represent precipitation reactions? More than one can be chosen. A. Na2S + FeBr2 → 2NaBr + FeS B. MgSO4 + CaCl2 → MgCl2 + CaSO4 C. LiOH + NH4I → LiI + NH4OH D. 2NaCl + K2S → Na2S + 2KCl E. AgNO3 + NaCl → AgCl + NaNO3
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