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31 December, 21:11

Will precipitation occur when the following solutions are mixed? If so write a balanced chemical equation for the reaction.

Na2NO3 and AgNO3

NaNO3 and NiSO4

FeSO4 and Pb (NO3) 2

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  1. 31 December, 22:02
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    Na2CO3 and AgNO3 - Precipitation will occur

    Equation: Na₂CO₃ (aq) + AgNO₃ (aq) → NaNO₃ (aq) + Ag₂CO₃ (s)

    NaNO3 and NiSO4 - No precipitation

    FeSO4 and Pb (NO3) 2 - Precipitation will occur

    Equation: FeSO₄ (aq) + Pb (NO₃) ₂ (aq) → Fe (NO₃) ₂ (aq) + PbSO₄ (s)

    Explanation: Precipitation reactions are types of reactions that involve reacting two soluble salts or compounds to form a soluble compound and a compound insoluble in water (precipitate). A precipitate is a compound that is insoluble in water formed during precipitation reactions. In the first case, two soluble salts Na₂CO₃ and AgNO₃ react to form aqueous NaNO₃ and Ag₂CO₃ which is the precipitate. In the third case, two soluble salts FeSO₄ and Pb (NO₃) ₂ reacts to form soluble Fe (NO₃) ₂ and PbSO₄ which is the precipitate.
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