What is the maximum concentration of equimolar solutions of

Last updated: 7/3/2023

What is the maximum concentration of equimolar solutions of FeSO4 and Na S so that when mixed in equal volumes there is no precipitation of FeS Ksp of FeS 6 25 x 10 18 1 2 5 x 10 M 3 5 x 10 18 M 2 5 x 10 8 M 4 5 x 10 9 M