What is the maximum concentration of equimolar solutions of ferrous sulphate and sodium sulphide so that when mixed in equal volumes, there is no precipition of iron sulphide ? (For iron sulphide , K_(sp)=6.3xx10^(-18)).

What is the maximum concentration of equimolar solutions of ferrous su

1.	What is the maximum concentration of equimolar solutions of ferrous sulphate and sodium sulphide so that when mixed in equal volumes, there is no precipition of iron sulphide ? (For iron sulphide , K_(sp)=6.3xx10^(-18)).
Answer» SOLUTION :`5 xx 10^(-9) MOL L^(-1)`