May 22, 2015

Homework Help: Chemistry(Urgent, please respond, thanks!!)

Posted by Hannah on Wednesday, March 14, 2012 at 8:27pm.

1) For the reaction system, 2 SO2(g) + O2(g) = 2 SO3(g), Kc has
a value of 4.62 at 450.0 K (Kelvin). A system, at equilibrium has the following concentrations:
(SO3) = 0.254 M; (O2) = 0.00855 M. What is the equilibrium concentration of SO2?

Is set this up as 4.62=(SO3)^2 / (SO2)^2 (O2)

4.62=(0.254)^2 / 0.00855(x^2)


I am just having trouble doing the math now. I am not sure what to do.

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