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CuFeS_(2) mineral was analysed for Cu and Fe percentage : 10 g of it was boiledwith dil . H_(2)SO_(4)and diluted to 1 L. 10 ml ofthis solution required 2 mL of 0.01 M MnO_(4)^(-) in acidic medium . In another titration, 25 ml of the same solutionrequired . 5 ml of 0.01MMnO_(4)^(-) solution iodometrically . Calculate the percentage of Cu and Fe in the mineral. |
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