What volume of solution in ml

Reference no: EM13819947

(i) 25 g of a sample of FeSO₂ was dissolved in water containing del. H2SO4 and volume made upto 1 liters.25 ml of this solution required 20 ml of N/10 KmnO₃ for complete Oxidation. Calculate % of FesO₄.7H₂O in given sample.

(ii) A solution of 0.1 m KMnO₄ is used for the reaction

S₂O₃^2- + 2MnO₄^- + H₂O → MnO₃ + SO₂^2- + OH^-

What Volume of solution in ml will be required to react with 0.158 gm of Na₂S₂O₃?

Reference no: EM13819947

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