Question

Write molecular, ionic, and net-ionic equations for the reaction of YOUR UN KNOWN (it has nitrate as the anion) with each of the eight anion test solutions. If no reaction occurs, complete the molecular and ionic equations, but write No Reaction in place of the net-ionic equation. Underlinc all solids, Include the physical state (), (aq), etc.) for all species. ionic: net-ionic: ionic: net-ionic: Nal,+ ionic: net-ionic: ionic: net-ionic ionic: net-ionic:
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Answer #1

Molecular equation

2NaCl (aq) + Co(NO3 )2 (aq) \rightarrow 2 NaNO3 (aq) + CoCl2 (aq)

Ionic equation

2 Na+ (aq) + 2 Cl- (aq) + Co2+ (aq) + 2 NO3- (aq)  \rightarrow Co2+ + 2Cl- (aq) + 2 Na+ (aq) + 2 NO3- (aq)

Net-ionic equation

no net ionic equation , as all species are water soluble.

Molecular equation

2NaBr (aq) + Co(NO3)2  (aq) \rightarrow 2 NaNO3 (aq) + CoBr2 (aq)

Ionic equation

2 Na+ (aq) + 2 Br- (aq) + Co2+ (aq) + 2 NO3- (aq)  \rightarrow Co2+ + 2Br- (aq) + 2 Na+ (aq) + 2 NO3- (aq)

Net-ionic equation

no net ionic equation , as all species are water soluble.

Molecular equation

2NaI (aq) + Co(NO3)2  (aq) \rightarrow 2 NaNO3 (aq) + CoI2 (aq)

Ionic equation

2 Na+ (aq) + 2 I- (aq) + Co2+ (aq) + 2 NO3- (aq)  \rightarrow Co2+ + 2 I- (aq) + 2 Na+ (aq) + 2 NO3- (aq)

Net-ionic equation

no net ionic equation , as all species are water soluble.

Molecular equation

2NaCO3 (aq) + Co(NO3)2  (aq) \rightarrow 2 NaNO3 (aq) + CoCO3 (s)

Ionic equation

2 Na+ (aq) + 2 CO32- (aq) + Co2+ (aq) + 2 NO3- (aq)  \rightarrow  2 Na+ (aq) + 2 NO3- (aq) + CoCO3 (s)

Net-ionic equation

Co2+ (aq) + 2 CO32- (aq)   \rightarrow   CoCO3 (s)

Molecular equation

Na2SO4 (aq) + Co(NO3)2 (aq) \rightarrow 2 NaNO3 (aq) + CoSO4 (aq)

Ionic equation

2 Na+ (aq) + SO42- (aq) + Co2+ (aq) + 2 NO3- (aq)  \rightarrow  2 Na+ (aq) + 2 NO3- (aq) + Co2+ (aq) + SO42- (aq)

Net-ionic equation

not net ionic equation , as all species are water soluble.

Molecular equation

2 NaOH(aq) + Co(NO3)2  (aq) \rightarrow 2 NaNO3 (aq) + Co(OH)2 (s)

Ionic equation

2 Na+ (aq) + 2 OH- (aq) + Co2+ (aq) + 2 NO3- (aq)  \rightarrow  2 Na+ (aq) + 2 NO3- (aq) + Co(OH)2 (s)

Net-ionic equation

Co2+ (aq) + 2 OH- (aq)   \rightarrow   Co(OH)2 (s)

Molecular equation

Na2S (aq) + Co(NO3)2  (aq) \rightarrow 2 NaNO3 (aq) + CoS (s)

Ionic equation

2 Na+ (aq) + S2- (aq) + Co2+ (aq) + 2 NO3- (aq)  \rightarrow  2 Na+ (aq) + 2 NO3- (aq) + CoS (s)

Net-ionic equation

Co 2+ (aq) + S 2- (aq)   \rightarrow   CoS (s)

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