Question

The equilibrium for the reaction for the decomposition of PCl5 to chlorine and PCl3 is 0.042.
PCl5(g) -> PCl3(g)+ Cl2(g)
If the equilibrium concentrations are [PCl3] = 0.010 M, [Cl2] = 0.10 M, what is the value of [PCl5]?
A) 0.010 M
B) 0.0020 M
C) 0.042 M
D) 0.024 M
E) 0.0010 M

Answer

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