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Calculating Equilibrium Composition

Posted: Thu Mar 14, 2019 4:36 am
by Jacqueline Duong 1H
When using the quadratic equation to calculate the equilibrium composition, how do we know which of the two values is the right one for x?

Re: Calculating Equilibrium Composition

Posted: Thu Mar 14, 2019 7:48 am
by Andre_Galenchik_2L
Whichever value that leads to no negative concentrations when plugging back in to the ICE table.

Re: Calculating Equilibrium Composition

Posted: Thu Mar 14, 2019 11:30 am
by Diana Bibireata 1B
After you find the x values, you plug it into the ice table. Only one of the values will give an answer that makes sense because the other x value will give a negative equilibrium concentration, which is not possible.