Question

Consider the following reaction: SO2Cl2(g)⇌SO2(g)+Cl2(g) Kc=2.99×10−7 at 227∘C Part A If a reaction mixture initially contains...

Consider the following reaction:
SO2Cl2(g)⇌SO2(g)+Cl2(g)
Kc=2.99×10−7 at 227∘C

Part A

If a reaction mixture initially contains 0.159 M SO2Cl2, what is the equilibrium concentration of Cl2 at 227 ∘C?
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Homework Answers

Answer #1

                SOCl2 SO2 + Cl2
initial         0.159        0        0
change         -x         +x      +x
Equil        0.159 -x     x        x

Kc = [SO2][Cl2]/[SO2Cl2]
2.99 x 10-7 = (x)(x)/(0.159 - x)
neglect x in the 0.159-x
x2 = 4.75 x 10-8
x = 2.18 x 10-4 = [Cl2] = [SO2]

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