Given :
The student looks up the value of the appendix of his textbook but cannot find a value for NaCl.
To Find :
Why the Ksp of NaCl is not present .
Solution :
Ksp values are given for those compounds which are partially soluble or insoluble in water .
But , we know NaCl is strong electrolyte and it completely dissociated in water .
So , the reaction go forward and their is no need to calculate Ksp .
Therefore , the Ksp of NaCl is not present .
Hence , this is the required solution .