NiS in the water solution dissociate as -
NiS(s) <----> Ni2+(aq) + S2-(aq)
Initial conc. = -- 0 0
Change conc.= -- + 1X + 1X
Equil. conc. = -- 0+1X = 1X 0+1X = 1X
Leave the ksp table empty because NiS(s) doesn't contribute with ksp.
Ksp =[Ni2+] [S2-]
Let X = S = molar solubility
Or Ksp = (S) (S)
Ksp = (S)^2
S = √ksp
Ksp = 4×10^-20 .....(given).
S = √4×10^-20
S = 2×10^-10
Hence the molar solubility of Nickel (II) sulfide in water solution is = 2×10^-10.
ksp = 4 x 10-20 access important The molar solubility of nickel(II) sulfide in a water...
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