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    Chemistry help pretty please...?

    A sample contains K+, Cu2+, and Na+. When solid ammonium carbonate is added, which of the ions will precipitate and which will remain in solution?

    0  Views: 1581 Answers: 1 Posted: 8 years ago

    1 Answer

    Copper carbonate is prepared by combining aqueous solutions of copper sulfate and sodium carbonate. Copper basic carbonate precipitates from the solution:
    2 CuSO4 + 2 Na2CO3 + H2O ? Cu2(OH)2CO3 + 2 Na2SO4 + CO2



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