Cobalt (II) chloride and sodium hydroxide Observation: Molecular Equation: Ionic

Question

Cobalt (II) chloride and sodium hydroxide Observation: Molecular Equation: Ionic Equation:.Net Ionic Equation: Barium chloride and copper (II) sulfate Observation: Molecular Equation: Ionic Equation:.Net Ionic Equation: Solid zinc and hydrochloric acid Observation: Molecular Equation: Ionic Equation:.Net Ionic Equation:

Explanation / Answer

2NaOH+CoCl2->2NaCl+Co(OH)2 (2Na+)+(2OH-)+(Co2+)+(2Cl-)->(2Na+)+(2… Cross out the sodium and the chlorine (2OH-)+(Co2+)->Co(OH)2 BaCl2 (aq) + CuSO4 (aq) >> BaSO4 (s) + CuCl2 (aq) Molecular equation - least accurate Zn(s) + 2HCl(aq) --> ZnCl2(aq) + H2(g) Ionic equation - everything is shown as it actually is (ion-wise, that is) Zn(s) + 2H+ + 2Cl- --> Zn2+ + 2Cl- + H2(g) Net ionic equation - shows only those ions that actually react. Cl- is a spectator ion, and not included in the net ionic quation. Zn(s) + 2H+ --> Zn2+ + H2(g)

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