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Rules for Writing Net Ionic Equations

Rules for Writing Net Ionic Equations. Split up the ionic compounds into their respective ions. Combine a cation with an anion from the ions in solution. There are 2 possible combinations. These are the possible products.

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Rules for Writing Net Ionic Equations

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  1. Rules for Writing Net Ionic Equations

  2. Split up the ionic compounds into their respective ions. Combine a cation with an anion from the ions in solution. There are 2 possible combinations. These are the possible products. Check the solubility rules to determine which of the possible products is not soluble. This is the precipitate. There may be 1, 2, or no precipitates. Write the reaction by putting the precipitate on the product side first and then the ions that make it up on the reactant side.

  3. Example Write the net ionic equation for the reaction that occurs when aqueous solutions of potassium carbonate and nickel (II) nitrate are mixed. Ions in solution: K+1, CO3-2, Ni+2,, NO3-1 Possible products: KNO3, NiCO3 Precipitate: Solubility rules indicate NiCO3 is insoluble. Write ppt on product side NiCO3(s) Complete the reaction by writing the ions that make up the precipitate on the reactant side Ni+2(aq) + CO3-2 (aq)- NiCO3(s)

  4. Precipation Problems • 11, 12, 14-25

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