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Selective Metal Ion Precipitation: Separation Scheme with Aqueous Solutions

Explore how NaCl(aq), Na2SO4(aq), and NaOH(aq) can selectively precipitate Ag+, Ba2+, and Fe3+ ions for separation in a mixture. Create a flow chart using solubility rules and double displacement reactions. Dr. Ron Rusay presents a practical method to isolate metal ions effectively.

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Selective Metal Ion Precipitation: Separation Scheme with Aqueous Solutions

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  1. Aqueous Solutions & PrecipitatesSeparating Metal Ions / Flow Charts Dr. Ron Rusay

  2. Three solutions, NaCl(aq), Na2SO4(aq), and NaOH(aq), are available to selectively precipitate certain metal ions in a mixture. Use them in an order that will precipitate a solution of Ag+, Ba2+, and Fe3+ one at a time, allowing separation and isolation of each of the ions from the mixture. Make a flow chart to illustrate the general procedure.

  3. Use the following solubility information to plan the flow chart for the separation scheme of the solution of Ag+, Ba2+, and Fe3+ Reagents: , NaCl(aq), Na2SO4(aq), and NaOH(aq) Consider double displacement reactions and the solubility of the products. An example of a possible first step is given on the next slide.

  4. NaCl(aq)

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