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Answer to Question #244136 in General Chemistry for Majed
Question #244136
what is the afvantage of using pottassium dichromate over potassium permanganate in quantitative estimation of iron in an unknown sample??
Expert's answer
Potassium dichromate (K2Cr2O7) is preferred over sodium dichromate in volumetric analysis, because K2Cr2O7 is hygroscopic in nature and, therefore, accurate weighing is not possible in normal atmospheric conditions.
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