# chemistry

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I am given the following reaction:
2NH3(g) -------> N2(g) + 3H2(g)

My question is:
6.4 mols of ammonia gas has been put into a 1.7 L flask and has been permitted to reach equilibrium in accordance to the reaction listed above. If the equilibrium mixture has 4.2 mols of nitrogen, what is the value of the equilibrium constant supposed to be?

Thank you

• chemistry -

Are you sure of the values for the numbers of moles in the question?

• chemistry -

I spent a good deal of time on this and finally came to the conclusion that something was amiss. Either a typo or the original problem was flawed. And the follow up of where did 2.7 = [N2] come from didn't make sense either. Finally, I went on to other posts.

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