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May 24, 2015

Homework Help: Chemistry

Posted by chemstudent on Tuesday, July 22, 2008 at 1:16pm.

I'm working with a reaction of the form:

A + B -> C

Problem: IF the equilibrium constant is 4.2 and an equimolar mixture of A + B are reacted, verify that there will be an equilibrium yield of 67%.

Here is my attempt thus far.

4.2 = [C] / ([A]*[B])
x = starting molar quantity of A/B
y = final molar quantity of C
v = volume of reaction mixture

4.2 = y/v / ((x-y)^2/v^2)
4.2 = yv / (x^2-2xy+y^2)

And I'm stuck. Any help is greatly appreciated.

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