Chemistry-
General
Easy

Question

Calculate the weight of ion which will be converted into its oxide by the action of 18g of steam on it.

  1. 37.3 gm    
  2. 3.73 gm    
  3. 56 gm    
  4. 5.6 gm    

The correct answer is: 37.3 gm


    2Fe + 3H2O ¾® Fe2O3
    3 ´ 18gm of steam will react with 2 ´ 56 gm of Iron
    \ 18 gm of steam will convert = fraction numerator 18 cross times 2 cross times 56 over denominator 3 cross times 18 end fraction = 37.3 gm of Fe

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