QCEVault

Chemical equilibrium — Question 34

Original QCE Vault practice · 4 marks

Q34 · Practice questionComplex familiar4 marks

QUESTION 34 (4 marks)

PCl5(g)⇌PCl3(g)+Cl2(g). Initially [PCl5]=0.50 molL−1 with no products. At equilibrium [Cl2]=0.12 molL−1.

a) Determine the other two equilibrium concentrations. [2 marks]

b) Calculate the equilibrium constant. [2 marks]

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