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At 2,200 K, the equilibrium constant for the reaction below is Kc=11.3.
Br2(g) --> 2 Br(g)
What is the percent dissociation of Br2 at 2,200 K, if the initial concentration of Br2 is 1.25mol/L?
Give your answer accurate to two significant figures. Do not include the % sign as part of your answer.
Hint: If the initial concentration of Br2 is Co and the concentration of Br2 decreases by x (because of dissociation), then the percent dissociation of Br2 is equal to 100(x/Co).
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