Asked by Kathy

The decomposition reaction for PCl5 for which the equilibrium constant is 0.030. If you begin an experiment with 0.040M PCl5. What are the expected equilibrium concentrations of all species.
Answered by R_scott
PCl5 ⇄ PCl3 + Cl2

0.030 = [PCl3] [Cl2] / [PCl5] = x * x / (0.040 - x)

x^2 + 0.030 x - 0.0012 = 0

solve for x
Answered by Kathy
Thank you!
Answered by Kathy
What would i pick if both of the roots will result into positive concentration of PCl5
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