Kc is the equilibrium expression of the concentrations in the reaction. The general form of an equilibrium expression is:
P4(s) + 6 Cl2(g) ⇌ 4 PCl3(g)
When writing equilibrium expressions:
Consider this reaction.
P4 (s) + 6 Cl2 (g) ⇌ 4 PCl3 (g)
What is the correct Kc expression for this reaction?
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