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PCl(5) (g) leftrightarrow PCl3(g) +Cl2(g...

`PCl_(5) (g) leftrightarrow PCl_3(g) +Cl_2(g)` At 300K, `K_C` is `0.204 mol L^-1`. What is the value of `K_p`?

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0.65 atm
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