Which equations represent precipitation reactions? Na2S + FeBr2 → 2NaBr + FeS MgSO4 + CaCl2 → MgCl2 + CaSO4 LiOH + NH4I → LiI + NH4OH 2NaCl + K2S → Na2S + 2KCl AgNO3 + NaCl → AgCl + NaNO3
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Explanation:
Fes form precipitatate. Reaction 1
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