Fe 0.9 O reacts completely with 10 ml of 0.1 M KMnO 4 in acidic conditions. Find the mass of Fe 0.9 O in milligram completely reacted. [Atomic mass of Fe = 56 gm / mol ]

Question

Fe 0.9 ​ O reacts completely with 10 ml of 0.1 M KMnO 4 ​ in acidic conditions. Find the mass of Fe 0.9 ​ O in milligram completely reacted. [Atomic mass of Fe = 56 gm / mol ]

TestHub · Accepted Answer

x F ​ of Fe 0.9 ​ O = 0.9 ( 3 − 9 20 ​ ) = 0.7 e Fe 0.9 ​ O ​ = e KMnO 4 ​ ​ 56 ( 0.9 ) + 16 W ​ × 0.7 = 5 × 0.1 × 1000 10 ​ 50.4 + 16 W ​ × 0.7 = 200 1 ​ W = 200 × 0.7 66.4 ​ = 7 332 ​ × 1 0 − 2 gm W = 7 3320 ​ mg W = 474.285

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