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Travka [436]
4 years ago
12

The solubility of lead (ii) chloride (pbcl2) is 1.6 ⋅ 10-2 m. what is the ksp of pbcl2? the solubility of lead (ii) chloride (pb

cl2) is 1.6 10-2 m. what is the ksp of pbcl2? 3.1 ⋅ 10-7 5.0 ⋅ 10-4 1.6 ⋅ 10-5 1.6 ⋅ 10-2 4.1 ⋅ 10-6
Chemistry
2 answers:
Yakvenalex [24]4 years ago
8 0
According to the equilibrium equation for this reaction:

PbCl2(s)  ↔ Pb2+(aq)   +  2Cl-(aq)

So when Ksp is the solubility product constant for a solid substance when it

dissolved in the solution. and measure how a solute dissolves in the solution 

So, Ksp expression = [Pb2+] [Cl-]^2

and when the solubility is the maximum quantity of solute which can dissolve in a certain solute.
 
So, we assume the solubility = X 

∴[Pb2+] = X = 1.6 x 10^-2 M

[Cl-] = 2X = 2 * 1.6 x 10^-2 = 0.032 M

by substitution:

∴ Ksp = (1.6 x 10^-2) * (0.032)^2

           = 1.64 x 10^-5  
DedPeter [7]3 years ago
8 0

Answer:The Solubility product of PbCl_2 is 1.63\times 10^{-5}.

Explanation;

Solubility of PbCl_2,S=1.6\times 10^{-2} M

                         PbCl_2\rightleftharpoons Pb^{2+}+2Cl^-

                                                 S        2S

The expression of K_{sp} is given as:

K_{sp}=S\times (2S)^2=4S^3

K_{sp}=4\times (1.6\times 10^{-2})^3=1.63\times 10^{-5}

The Solubility product of PbCl_2 is 1.63\times 10^{-5}.

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