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    3 For the reaction
    A(g) -> 2B(g)
    2.5 moles of A were allowed to reach equilibrium in a 5 dm3 container.
    At equilibrium there were 1.5 moles of B. What is the value of Kc?

    how do u answer this question i am so confused helppp :/
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    kc = 2[B]/[A] and [A]is mole (2.5) /volume (5)
    and [B] is equal 2*[A]
 
 
 
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Updated: October 23, 2015
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