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[" 4.In the preparation of iron "3.44mL"...

[" 4.In the preparation of iron "3.44mL" (c) "17.24mL],[" How much "80%" pure haematite (Fe,"0" ) by the reaction with carbon "],[" How much "80%" pure iron could be produced from "120kg" of "90%" pure "Fe_(2)O_(3)" ? "],[" (a) "94.5kg" (b) "60.48kg" (c) "116.66kg" of "90%" pure "Fe_(20)" kg "],[" metal is presents of an equimolar mixture of the carbonates of two bivalent me "]

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