問題詳情
64. The iron in a 0.6656-g ore sample was reduced quantitatively to the +2 state and then titrated with 26.75 mL of the KMnO4solution (0.02966 M). Calculate the percentage of Fe2O3 (Fe=55.8 g/mol) in the sample.
(A) 95.12 %
(B) 47.56 %
(C) 43.12 %
(D) 38.04 %
(E) 19.02 %
(A) 95.12 %
(B) 47.56 %
(C) 43.12 %
(D) 38.04 %
(E) 19.02 %
參考答案
無參考答案
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