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Calculate the weight of iron which will be converted into its oxide by the action of 18g of steam


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The reaction occurs as $3Fe+4H_2O\rightarrow Fe_3O_4+4H_2$
Mole ratio of reaction suggest
Mole of $Fe=\large\frac{18}{18}\times \frac{3}{4}$
Weight of Fe=$\large\frac{3}{4}$$\times 56=42g$
Hence (c) is the correct option.
answered Oct 31, 2013 by sreemathi.v

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