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Solubility Product Constants (Ksp at 25 oC) Type Formula Ksp Solubility Product Constants (Ksp at 25...

Solubility Product Constants (Ksp at 25 oC)

Type Formula Ksp

Solubility Product Constants (Ksp at 25 oC)

Type Formula Ksp
Bromides PbBr2 6.3 × 10-6

AgBr 3.3 × 10-13
Carbonates BaCO3 8.1 × 10-9

CaCO3 3.8 × 10-9

CoCO3 8.0 × 10-13

CuCO3 2.5 × 10-10

FeCO3 3.5 × 10-11

PbCO3 1.5 × 10-13

MgCO3 4.0 × 10-5

MnCO3 1.8 × 10-11

NiCO3 6.6 × 10-9

Ag2CO3 8.1 × 10-12

ZnCO3 1.5 × 10-11
Chlorides PbCl2 1.7 × 10-5

AgCl 1.8 × 10-10
Chromates BaCrO4 2.0 × 10-10

CaCrO4 7.1 × 10-4

PbCrO4 1.8 × 10-14

Ag2CrO4 9.0 × 10-12
Cyanides Ni(CN)2 3.0 × 10-23

AgCN 1.2 × 10-16

Zn(CN)2 8.0 × 10-12
Fluorides BaF2 1.7 × 10-6

CaF2 3.9 × 10-11

PbF2 3.7 × 10-8

MgF2 6.4 × 10-9
Hydroxides AgOH 2.0 × 10-8

Al(OH)3 1.9 × 10-33

Ca(OH)2 7.9 × 10-6

Cr(OH)3 6.7 × 10-31

Co(OH)2 2.5 × 10-16

Cu(OH)2 1.6 × 10-19

Fe(OH)2 7.9 × 10-15

Fe(OH)3 6.3 × 10-38

Pb(OH)2 2.8 × 10-16

Mg(OH)2 1.5 × 10-11

Mn(OH)2 4.6 × 10-14

Ni(OH)2 2.8 × 10-16

Zn(OH)2 4.5 × 10-17
Iodides PbI2 8.7 × 10-9

AgI 1.5 × 10-16
Oxalates BaC2O4 1.1 × 10-7

CaC2O4 2.3 × 10-9

MgC2O4 8.6 × 10-5
Phosphates AlPO4 1.3 × 10-20

Ba3(PO4)2 1.3 × 10-29

Ca3(PO4)2 1.0 × 10-25

CrPO4 2.4 × 10-23

Pb3(PO4)2 3.0 × 10-44

Ag3PO4 1.3 × 10-20

Zn3(PO4)2 9.1 × 10-33
Sulfates BaSO4 1.1 × 10-10

CaSO4 2.4 × 10-5

PbSO4 1.8 × 10-8

Ag2SO4 1.7 × 10-5
Sulfides CaS 8 × 10-6

CoS 5.9 × 10-21

CuS 7.9 × 10-37

FeS 4.9 × 10-18

Fe2S3 1.4 × 10-88

PbS 3.2 × 10-28

MnS 5.1 × 10-15

NiS 3.0 × 10-21

Ag2S 1.0 × 10-49

ZnS 2.0 × 10-25
Sulfites BaSO3 8.0 × 10-7

CaSO3 1.3 × 10-8

Ag2SO3 1.5 × 10-14

For each of the salts on the left, match the salts on the right that can be compared directly, using Ksp values, to estimate solubilities.

(If more than one salt on the right can be directly compared, include all the relevant salts by writing your answer as a string of characters without punctuation, e.g, ABC.)

1. calcium fluoride                          A. Ag3PO4
2. chromium(III) hydroxide B. BaSO3
C. Zn(OH)2
D. PbI2



Write the expression for K in terms of the solubility, s, for each salt, when dissolved in water.

calcium fluoride

                        

chromium(III) hydroxide

Ksp =

Ksp =

Note: Multiply out any number and put it first in the Ksp expression. Combine all exponents for s.

Solutions

Expert Solution

Solubility product of the compound of type is given by the

Now , for calcium Fluoride (CaF2)

p=1 and q=2 thus

Now for chromium (III) hydroxide , Cr(OH)3

p=1 and q=3

Thus


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