Separate the components of a water-insoluble mixture of barium sulfate (BaSO_4)

Question

Separate the components of a water-insoluble mixture of barium sulfate (BaSO_4) and nickel (II) carbonate (NiCO_3). Chemicals provided to aid in the separation and recovery of the 2 component mixture are HCl(aq) and K_2CO_3(aq). Provide a balanced chemical equation for each reaction that is below and write an explanation for each step. The physical and chemical properties are given below. An aluminum wire is dipped in a solution containing sodium, tin, and copper ions. Which ions will be present in solution after the reaction is complete? FULLY EXPLAIN YOUR ANSWER. Refer to the activity series in your text to answer.

Explanation / Answer

NiCO3 + 2HCl NiCl2 + H2O + CO2

An acid and a carbonate react to produce a salt, water and carbon dioxide

Barium suphalte remains as such in the precipitate form while nickel chloride goes into the solution

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