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Unit 8

Unit 8. Net Ionic Reactions. Spectator Ions. Ag NO 3 ( aq ) + Na Cl ( aq )  Ag Cl (s) + Na NO 3 ( aq ). Ag Cl (s). Na + + NO 3 -. Na + + Cl -. Ag + + NO 3 -. Any ionic compound will dissociate when dissolved in H 2 O (aqueous ionic compounds). Spectator Ions

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Unit 8

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  1. Unit 8 Net Ionic Reactions

  2. Spectator Ions AgNO3 (aq) + NaCl (aq)  AgCl (s) + NaNO3 (aq) AgCl (s) Na++NO3- Na++Cl- Ag++NO3- Any ionic compound will dissociate when dissolved in H2O (aqueous ionic compounds) Spectator Ions Ions that do not actively participate in a chemical reactions. • Not spectators if: • Change physical state (aq solid) • Form covalent compound (Br-  Br2) • Form new covalent compound (H2O  H2S)

  3. Ionic and Net Ionic Equations Ionic Equation All molecules are included in the chemical equation AgNO3 (aq) + NaCl (aq)  AgCl (s) + NaNO3 (aq) AgCl (s) Na++NO3- Na++Cl- Ag++NO3- Net Ionic Equation Spectator ions have been removed from the chemical equation Ag+ + Cl- (aq)  AgCl (s)

  4. Ionic and Net Ionic Equations For the following reactions, write a net ionic equation Ni (s) + Cu(NO3)2 Ni(NO3)2 + Cu (s) Na(C2H3O2) (aq) + NH4Cl (aq)  NH4(C2H3O2) (aq) + NaCl (aq) FeCl3 (aq) + 3 NaOH (aq)  Fe(OH)3 (s) + NaCl (aq)

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