中四化學的問題(急!!!!!!!!!!!!)

請問 sodium carbonate and potassium carbonate 的 effect of adding silver nitrate

solution 係咩?

1 Answer

Rating
  • 1 decade ago
    Favorite Answer

    White precipitate is formed after adding solution.

    Na2CO3(s) + 2AgNO3(aq) -------> Ag2CO3(s) + 2NaNO3(aq)

    K2CO3(s) + 2AgNO3(aq) ---------> Ag2CO3(s) + 2KNO3(aq)

    Sodium carbonate + Silver nitrate -----> Silver carbonate + Sodium nitrate

    Potassium carbonate + Silver nitrate -----> Silver carbonate + Potassium nitrate

    2隻野都會form咗隻silver carbonate (Ag2CO3),e隻野係insoluble in water。so,我地可以見到white precipitate

    值得注意的係,當我地加咗dilute nitric acid (HNO3)個時,個d white precipitate會無咗的。

Still have questions? Get your answers by asking now.