What is the maximum concentration of equimolar solutions of ferrous sulphate and sodium sulphide so that when mixed in equal volumes, there is no precipitation of iron sulphide? (For iron sulphide, Ksp = 6.3 × 10–18).

What is the maximum concentration of equimolar solutions of ferrous sulphate and sodium sulphide so that when mixed in equal volumes, there is no precipitation of iron sulphide? (For iron sulphide, Ksp = 6.3 × 10–18).

The ionization constant of benzoic acid is 6.46× 10–5 and Ksp for silver benzoate is 2.5 ×10–13. How many times is silver benzoate more soluble in a buffer of pH 3.19 compared to its solubility in pure water?

The ionization constant of benzoic acid is 6.46× 10–5 and Ksp for silver benzoate is 2.5 ×10–13. How many times is silver benzoate more soluble in a buffer of pH 3.19 compared to its solubility in pure water?

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