x gram of pure As 2 S 3 is completely oxidized to respective highest oxidation states by 50 ml of 0.1 M hot acidified KMnO 4 then x mass of As 2 S 3 taken is : (Molar mass of As 2 S 3 = 246)

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Sol. 5As 2 S 3 + 28KMnO 4 + H + &reg; 10H 3 AsO 4 + 28Mn 2+ + SO 4 2&ndash; mmoles of KMnO 4 = 50 &times; 0.1 = 5 28 mmoles of KMnO 4 &reg; 5 moles of As 2 S 3 1 mmole of KMnO 4 &reg; 5/28 moles of As 2 S 3 Mass of As 2 S 3 = x = 246 x g = 43.92 g

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x gram of pure As 2 S 3 is completely oxidized to respective highest oxidation states by 50 ml of 0.1 M hot acidified KMnO 4 then x mass of As 2 S 3 taken is : (Molar mass of As 2 S 3 = 246)

x gram of pure As₂S₃ is completely oxidized to respective highest oxidation states by 50 ml of 0.1 M hot acidified KMnO₄ then x mass of As₂S₃ taken is : (Molar mass of As₂S₃ = 246)

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