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  • Pb 2+ NO 3 1– Na 1+ I 1– Ions in Aqueous Solution Pb(NO 3 ) 2 (s) Pb(NO 3 ) 2 (aq) Pb 2+ (aq) + 2 NO 3 1– (aq) add water NaI(s) + H 2 O(l) dissociation:
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Pb 2+ NO 3 1– Na 1+ I 1– Ions in Aqueous Solution Pb(NO 3 ) 2 (s) Pb(NO 3 ) 2 (aq) Pb 2+ (aq) + 2 NO 3 1– (aq) add water NaI(s) + H 2 O(l) dissociation : + H 2 O(l) Na 1+ (aq) + I 1– (aq) Mix them and get… Balance to get overall ionic equation … Cancel spectator ions to get net ionic equation … Prin t Copy of Lab NaI(aq) NO 3 1– Pb 2+ NO 3 1– NO 3 1– in solution Na 1+ I 1–

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Page 1: Pb 2+ NO 3 1– Na 1+ I 1– Ions in Aqueous Solution Pb(NO 3 ) 2 (s) Pb(NO 3 ) 2 (aq) Pb 2+ (aq) + 2 NO 3 1– (aq) add water NaI(s) + H 2 O(l) dissociation:

Pb2+NO3

1–

Na1+ I1–

Ions in Aqueous Solution

Pb(NO3)2(s) Pb(NO3)2(aq)

Pb2+(aq) + 2 NO31–(aq)

addwater

NaI(s)

+ H2O(l)

dissociation:

+ H2O(l)

Na1+(aq) + I1–(aq)

Mix them and get…

Balance to get overall ionic equation…

Cancel spectator ions to get net ionic equation…

Print Copy of Lab

Print Copy of Lab

NaI(aq)

NO31–

Pb2+

NO31–

NO31–

in solution

Na1+ I1–

Page 2: Pb 2+ NO 3 1– Na 1+ I 1– Ions in Aqueous Solution Pb(NO 3 ) 2 (s) Pb(NO 3 ) 2 (aq) Pb 2+ (aq) + 2 NO 3 1– (aq) add water NaI(s) + H 2 O(l) dissociation:

Mix them and get…

Pb2+(aq) + 2 NO31–(aq) + 2 Na1+(aq) + 2 I1–(aq) PbI2(s) + 2 NO3

1–(aq) + 2 Na1+(aq)

Pb2+(aq) + 2 I1–(aq) PbI2(s)

Pb(NO3)2(aq) + 2 NaI(aq) PbI2(s) + 2 NO31–(aq) + 2 Na1+(aq)

Balance to get overall ionic equation…

Cancel spectator ions to get net ionic equation…

SolubilityChart

solid

in solution

Pb2+NO3

1–

Na1+ I1–

NO31–

Na1+ I1–

Pb2+

NO31–

Na1+

I1–

NO31–

Na1+

I1–

Page 3: Pb 2+ NO 3 1– Na 1+ I 1– Ions in Aqueous Solution Pb(NO 3 ) 2 (s) Pb(NO 3 ) 2 (aq) Pb 2+ (aq) + 2 NO 3 1– (aq) add water NaI(s) + H 2 O(l) dissociation:

Ba2+

OH1–

OH1–

NO31–

NO31–

Mix together Zn(NO3)2(aq) and Ba(OH)2(aq):

Zn2+(aq) + 2 NO31–(aq) Ba2+(aq) + 2 OH1–(aq)

Ba(OH)2(aq)Zn(NO3)2(aq)

Balance to get overall ionic equation…

Zn2+

Zn(NO3)2(aq) + Ba(OH)2(aq) Zn(OH)2(s) + 2 NO31–(aq) + Ba2+(aq)

Zn2+(aq) + 2 NO31–(aq) + Ba2+(aq) + 2OH1–(aq) Zn(OH)2(s) + 2 NO3

1–(aq) + Ba2+(aq)

Mix them and get…

Zn2+(aq) + 2 OH1–(aq) Zn(OH)2(s)

Cancel spectator ions to get net ionic equation…

SolubilityChart

Page 4: Pb 2+ NO 3 1– Na 1+ I 1– Ions in Aqueous Solution Pb(NO 3 ) 2 (s) Pb(NO 3 ) 2 (aq) Pb 2+ (aq) + 2 NO 3 1– (aq) add water NaI(s) + H 2 O(l) dissociation:

Pre-lab:

1. What ions are present in the following solutions?

NaCl(aq) ____________________ AgNO3(aq) ____________________

2. When these solutions are mixed together, a precipitate is seen. What are the new combinations of ions that could have formed the precipitate?

____________________ and ____________________

3. Using the solubility table, which new combination will form a precipitate?

____________________

4. Which new combination will remain in solution?

____________________

5. Write the overall reaction equation for this reaction. Be sure to indicate the correct phase (reaction condition) for each reactant and each product.

6. Write the net ionic equation for this reaction. Again, include the phases (reaction conditions).

7. Explain why you would expect no reaction between solutions of KOH(aq) and NaOH(aq).

Na1+(aq) Cl1-(aq) Ag1+(aq) NO31-(aq)

Na1+(aq) Cl1-(aq)Ag1+(aq)NO31-(aq)

Cl1-(aq)Ag1+(aq)

Na1+(aq) NO31-(aq)

AgCl(s)

Na1+(aq) + Cl1-(aq) + Ag1+(aq) + NO31-(aq) + Na1+(aq) + NO3

1-(aq)AgCl(s)

+ Cl1-(aq)Ag1+(aq) AgCl(s)

When the cations switch places they end with a hydroxide (no new combination is formed)

Page 5: Pb 2+ NO 3 1– Na 1+ I 1– Ions in Aqueous Solution Pb(NO 3 ) 2 (s) Pb(NO 3 ) 2 (aq) Pb 2+ (aq) + 2 NO 3 1– (aq) add water NaI(s) + H 2 O(l) dissociation:

Reactions Between Ions in Aqueous Solutions

2. Co2+(aq) + 2 NO31-(aq) + 2 K1+(aq) + 2 OH1-(aq) Co(OH)2(s) + 2 K1+(aq) + 2 NO3

1-(aq)

Co2+(aq) + 2 OH1-(aq) Co(OH)2(s)

3. Co2+(aq) + 2 NO31-(aq) + 2 Na1+(aq) + 2 OH1-(aq) Co(OH)2(s) + 2 Na1+(aq) + 2 NO3

1-(aq)

Co2+(aq) + 2 OH1-(aq) Co(OH)2(s)

9. Pb2+(aq) + 2 NO31-(aq) + 2 K1+(aq) + 2 OH1- (aq) Pb(OH)2(s) + 2 K1+(aq) + 2 NO3

1-(aq)

Pb2+(aq) + 2 OH1-(aq) Pb(OH)2(s)

10. Pb2+(aq) + 2 NO31-(aq) + 2 Na1+(aq) + 2 OH1-(aq) Pb(OH)2(s) + 2 Na1+(aq) + 2 NO3

1-(aq)

Pb2+(aq) + 2 OH1-(aq) Pb(OH)2(s)

12. 3 Pb2+(aq) + 6 NO31-(aq) + 2 Fe3+(aq) + 6 Cl1-(aq) 3 PbCl2(s) + 2 Fe3+(aq) + 6 NO3

1-(aq)

Pb2+(aq) + 2 Cl1-(aq) PbCl2(s)

Key

11. Pb2+(aq) + 2 NO31-(aq) + Co2+(aq) + 2 Cl1-(aq) PbCl2(s) + Co2+(aq) + 2 NO3

1-(aq)

Pb2+(aq) + 2 Cl1-(aq) PbCl2(s)

Print Copy of Lab

Print Copy of Lab

spectator ions

Page 6: Pb 2+ NO 3 1– Na 1+ I 1– Ions in Aqueous Solution Pb(NO 3 ) 2 (s) Pb(NO 3 ) 2 (aq) Pb 2+ (aq) + 2 NO 3 1– (aq) add water NaI(s) + H 2 O(l) dissociation:

25. Co2+(aq) + 2 Cl1-(aq) + 2 Na1+(aq) + 2 OH1-(aq) Co(OH)2(s) + 2 Na1+(aq) + 2 Cl1-(aq)

Co2+(aq) + 2 OH1-(aq) Co(OH)2(s)

Reactions Between Ions in Aqueous Solutions

20. Fe3+(aq) + 3 Cl1-(aq) + 3 K1+(aq) + 3 OH1-(aq) Fe(OH)3(s) + 3 K1+(aq) + 3 Cl1-(aq)

Fe3+(aq) + 3 OH1-(aq) Fe(OH)3(s)

21. Fe3+(aq) + 3 Cl1-(aq) + 3 Na1+(aq) + 3 OH1-(aq) Fe(OH)3(s) + 3 Na1+(aq) + 3 Cl1-(aq)

Fe3+(aq) + 3 OH1-(aq) Fe(OH)3(s)

24. Co2+(aq) + 2 Cl1-(aq) + 2 K1+(aq) + 2 OH1-(aq) Co(OH)2(s) + 2 K1+(aq) + 2 Cl1-(aq)

Co2+(aq) + 2 OH1-(aq) Co(OH)2(s)

Key

16. Cu2+(aq) + 2 NO31-(aq) + 2 Na1+(aq) + 2 OH1-(aq) Cu(OH)2(s) + 2 Na1+(aq) + 2 NO3

1-(aq)

Cu2+(aq) + 2 OH1-(aq) Cu(OH)2(s)

15. Cu2+(aq) + 2 NO31-(aq) + 2 K1+(aq) + 2 OH1-(aq) Cu(OH)2(s) + 2 K1+(aq) + 2 NO3

1-(aq)

Cu2+(aq) + 2 OH1-(aq) Cu(OH)2(s)

Page 7: Pb 2+ NO 3 1– Na 1+ I 1– Ions in Aqueous Solution Pb(NO 3 ) 2 (s) Pb(NO 3 ) 2 (aq) Pb 2+ (aq) + 2 NO 3 1– (aq) add water NaI(s) + H 2 O(l) dissociation:

TABLE OF SOLUBILITIES IN WATER

aluminum ss s n s n i s s i s d

ammonium s s s s s s s s s s s

barium s s i s i s s s i i d

calcium s s i s s ss s s i ss d

copper (II) s s i s i i n s i s i

iron (II) s s i s n i s s i s i

iron (III) s s n s i i n s i ss d

lead s ss i ss i i ss s i i i

magnesium s s i s s i s s i s d

mercury (I) ss i i i ss n i s i ss i

mercury (II) s ss i s ss i i s i d i

potassium s s s s s s s s s s s

silver ss i i i ss n i s i ss i

sodium s s s s s s s s s s s

zinc s s i s s i s s i s i

acet

ate

brom

ide

carb

onat

e

chlo

ride

chro

mat

e

hydr

oxid

e

iodi

de

nitr

ate

pho

sph

ate

sulfa

te

sulfi

de

i = insolubless = slightly solubles = solubled = decomposesn = not isolated

SOLIDSOLIDAQUEOUS

Legend

Page 8: Pb 2+ NO 3 1– Na 1+ I 1– Ions in Aqueous Solution Pb(NO 3 ) 2 (s) Pb(NO 3 ) 2 (aq) Pb 2+ (aq) + 2 NO 3 1– (aq) add water NaI(s) + H 2 O(l) dissociation:

TABLE OF SOLUBILITIES IN WATER

aluminum s aq n s n s aq aq s aq d

ammonium aq aq aq aq aq aq aq aq aq aq aq

barium aq aq s aq s aq aq aq s s d

calcium aq aq s aq aq ss aq aq s s d

copper (II) aq aq s aq s s n aq s aq s

iron (II) aq aq s aq n s s aq s aq s

iron (III) aq aq n aq s s n aq s s d

lead aq s s ss s s s aq s s s

magnesium aq aq s aq aq s aq aq s aq d

mercury (I) s s s s s n s aq s s si

mercury (II) aq s s aq s s s aq s d si

potassium aq aq aq aq aq aq aq aq aq aq aq

silver s s s s s n s s s s s

sodium aq aq aq aq aq aq aq aq aq aq aq

zinc aq aq s aq aq s aq aq s aq s

acet

ate

brom

ide

carb

onat

e

chlo

ride

chro

mat

e

hydr

oxid

e

iodi

de

nitr

ate

pho

sph

ate

sulfa

te

sulfi

de

Legends = solidaq = aqueousd = decomposesn = not isolated


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