JEE Advanced 2021 Full Test 2 Paper 1

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SECTION – C (Numerical Answer Type)
This section contains 06 questions. The answer to each question is a NUMERICAL VALUE. For each question, enter the correct numerical value (in decimal notation, truncated/rounded‐off to the second decimal place; e.g. XXXXX.XX).

Question : 31 of 54

Marks: +1, -0

32g of a sample of FeSO4.7H2O were dissolved in dilute sulphuric acid and water and its volume was made up to 1 litre. 25mL of this solution required 20mL of 0.02MKMnO4 soluton for complete oxidation. Calculate the mass % of FeSO4.7H2O in the sample.

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