One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g

Answer : The correct option is, (b) 22.1 g

Solution : Given,

Mass of iron = 15.5 g

Molar mass of iron = 56 g/mole

Molar mass of = 160 g/mole

First we have to calculate the moles of iron.

Now we have to calculate the moles of .

The balanced reaction is,

From the balanced reaction, we conclude that

As, 2 moles of iron obtained from 1 mole of

So, 0.276 moles of iron obtained from mole of

Now we have to calculate the mass of

Therefore, the amount of required are, 22.1 grams.

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