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Limiting reagent

  1. Apr 17, 2012 #1
    1. The problem statement, all variables and given/known data
    IN A REACTION
    A + B2 --> AB2

    IF 2 mol A and 3 mol B is taken identify the limiting reagent.



    2. Relevant equations
    3 mol B means 1.5 mol of B2 which would react with 1.5 mol of A and 0.5 mol of A will be left
    and hence l.r is B
    the book says A.
    help plz





    3. The attempt at a solution
     
  2. jcsd
  3. Apr 17, 2012 #2

    Borek

    User Avatar

    Staff: Mentor

    Could be the book assumes 3 moles of B2, but it is not what is stated in the question. 3 moles of B and 3 moles of B2 are different things and question should be clear on that. For me your answer is the right one.
     
  4. Apr 17, 2012 #3
    hmmm....thankyou sir
     
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