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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Saurabh 1
Hematite = Fe2O3 Magnetite = Fe3O4. Clearly using mole concept or stoichiometry , 6 moles of hematite gives= 4 moles of Magnetite Similarly , 1 mole of hematite will give = (4/6) mole of magnetite Or 1 mole of hematite= 0.667 mole of magnetite Answer = 0.667 mole (upto 3 decimal places).