In NaCl is doped with 1 xx 10^(-3) mol percent of SrCl_(2) , what is the concentration of cation vacancies ?

In NaCl is doped with 1 xx 10^(-3) mol percent of SrCl_(2) , what is t

1.	In NaCl is doped with 1 xx 10^(-3) mol percent of SrCl_(2) , what is the concentration of cation vacancies ?
Answer» Solution :`[AG^(+) ] [CL^(-)] =KSP rArry =(K)/(x) `