32 g of a sample of FeSO 4 .7H 2 O were dissolved in dilute sulphuric acid and water and…
Chemistry · JEE Advanced · NTA Exams — Some Basic Concepts in Chemistry
32 g of a sample of FeSO4.7H2O were dissolved in dilute sulphuric acid and water and its volume was made up to 1 litre, 25 mL of this solution required 20 mL of 0.02 M KMnO4 solution for complete oxidation. Calculate the weight % of FeSO4.7H2O in the sample.
- 34.75
- 69.5
- 89.5
- None of these
Answer
(B) 69.5
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