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October 1, 2014

Homework Help: Chemistry

Posted by j on Saturday, December 3, 2011 at 9:38pm.

If the initial concentration of NH3(g) is 4.643 mol/L, calculate the % of NH3(g) left over after the reaction reaches equilibrium according to the balanced equation. The value of Kc at 773.0 K is 16.70. The initial concentration of the reaction products is 0 mol/L.

2NH3(g) = N2(g)+3H2(g)

I know that we're supposed to do an ICE chart. I got (x^2)/ 6.745-2x . But I don't know how to solve for the x and the rest I would appreciate if you could write out the steps to this :)

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