What is the maximum concentration of an equimolar solution of ferrous – InterviewSolution

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1.	What is the maximum concentration of an equimolar solution of ferrous sulphate(FeSO4) and sodium sulphide (Na2S) so that when mixed in equal volumes, there is not precipitation of iron sulphide (FeS)?(For FeS, Ksp=5×10−18)
Answer» What is the maximum concentration of an equimolar solution of ferrous sulphate $(F e S O_{4})$ and sodium sulphide $(N a_{2} S)$ so that when mixed in equal volumes, there is not precipitation of iron sulphide $(F e S)$ ? (For FeS, $K_{s p} = 5 \times 10^{- 18}$ )

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