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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

Respuesta :

Dejanras

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 (CaSOâ‚„) 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.

Esoterical

A. Na₂S + FeBr₂ → 2NaBr + FeS.

B. MgSO₄ + CaCl₂ → MgCl₂ + CaSO₄.

E. AgNO₃ + NaCl → AgCl + NaNO₃.

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