H2(g) + I2(g) 2 HI(g) Kc = 55.3

Initial 1.00 1.00 0

DEFINE x = [H2] consumed to get to equilibrium.

Change -x -x +2x

At equilibrium 1.00-x 1.00-x 2x

Step 1.

Set up table to define EQUILIBRIUM concentrations

in terms of initial concentrations and a change variable

[H2] [I2] [HI]

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