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The ksp of pbbr2 is 6.60 10 6. What is the molar solubility(M) of PbBr2 in pure water?

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Question “The ksp of pbbr2 is 6.60 10 6. What is the molar solubility(M) of PbBr2 in pure water?”

The Ksp of PbBr2 is 6.60*10^-6

What is the molar solubility(M) of PbBr2 in pure water?

What is the molar solubility(M) of PbBr2 in 0.500M KBr
solution?

What is the molar solubility(M) of PbBr2 in a 0.500M Pb(NO3)2
solution?

Answer

Concepts and Reason

Solubility:

The maximum amount of solute that can be dissolved in a solvent to form a saturated solution at a specific temperature is called the “Solubility”.

Molar solubility

Molar solubility refers to the number of moles of a substance that can be dispersed in one liter. It can be expressed in mol/L (molarity) or M (molarity).

Common ion effect:

Common ion effect refers to the solubility in a salt that is partially soluble and decreases when it is added to a salt that contains an ion.

Fundamentals

Take a look at the following general reactions:

M.X.) NM* (aq) +mX+ (aq)

This is the relationship between solubility product (and molar solubility):



K. = [mm*] [x]



Where,

Solubility product =

Molar solubility

Mion =

M

Molar solubility

X Ion =



Given :K, = 6.60x106 PbBr, (s) Pb2+ (aq) + 2Br (aq) K. =[Pb2+ ][Br] Assume :[Pb2+] =s and[Br]=s Substituting, 6.60x10* =sx(2



is therefore soluble in pure water.

1.18x10² M

.


Given :K, = 6.60x106 [Br] =0.500 M PbBr2(8) Pb?* (aq) +2Br (aq) KR = [Pb2+ ][Br] Assume : [Pb2+ ]=s




Substituting, 6.6010% =sx(0.500) 6.60x106 (0.500) Solve fors, s=2.64x10PM



Therefore,

‘s molar solubility is

2.64x10SM

.


Given, Kop = 6.60~10% Pb2+ ]=0.500M


PbBry() Pb2+ (aq) + 2Br (aq) K. =[Pb²+ ][Br] Assume, [Br]=s



Substituting, 6.60~10= 0.500x(25) 62 - 6.60*10 4x0.500 s=1.82x10-M



Therefore,

‘s molar solubility in is HTML3_

(ON)

.

Ans:

is in pure water molar solubility M

1.18x10² M

.

2.64x10SM

The molar solubility of in is

.

In

(ON)

, the molar solubility of

is

1.82x10 M

.

Conclusion

Above is the solution for “The ksp of pbbr2 is 6.60 10 6. What is the molar solubility(M) of PbBr2 in pure water?“. We hope that you find a good answer and gain the knowledge about this topic of science.


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