At some temperature, an equilibrium mixture, in a 1.00-L container, involving the chemical system PCI5(g) = PCI3(g) + Cl2(g) is found to contain 5.74x1020 molecules of PCI5, 0.00921 mol of PCI3, and 0.228 g of Cl2. Calculate the equilibrium constant (Keg expressed in terms of the molar concentrations) at this temperature. (No units required.)

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Keq from Equilibrium Composition, Variously Expressed.
At some temperature, an equilibrium mixture, in a 1.00-L container, involving the chemical system
PCI5(g) = PCI3(g) + Cl2(g)
is found to contain 5.74x1020 molecules of PCI5, 0.00921 mol of PCI3, and 0.228 g of Cl2.
Calculate the equilibrium constant (Keg expressed in terms of the molar concentrations) at this temperature.
(No units required.)
Transcribed Image Text:Keq from Equilibrium Composition, Variously Expressed. At some temperature, an equilibrium mixture, in a 1.00-L container, involving the chemical system PCI5(g) = PCI3(g) + Cl2(g) is found to contain 5.74x1020 molecules of PCI5, 0.00921 mol of PCI3, and 0.228 g of Cl2. Calculate the equilibrium constant (Keg expressed in terms of the molar concentrations) at this temperature. (No units required.)
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