this sample of CuSO solution Molar mass of CuSO4 5H O 250 g mol liberated on addition of excess KI to CuSO solution What is the

Question

this sample of CuSO solution Molar mass of CuSO4 5H O 250 g mol liberated on addition of excess KI to CuSO solution What is the mass of CuSO 5H O in 250 ml of ml Na S O3 solution of 0 01 M requires 18 ml CuSO solution at the end point of titration with 1 a 2Cu 41 Cu I I 4 b I 2S O 21 S40 1 2 77 g 2 1 11 g 3 0 52 g 4 4 0 69 g

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