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Phosphorus trichloride and chlorine gas react to form phosphorus pentachloride: PCI3 (g) + Cl2 (g) PCI5 (g) K. = 3.0 at 84.8°C If the initial concentration of PCI3 is 1.0 M and that of Cl2 is 2.0 M, what will be the equilibrium concentration of PCI5? (A) (B) 0.783 M 2.55 M (C) 6.0 M (D) 2.35 M (E) 1.57 M

Phosphorus trichloride and chlorine gas react to form phosphorus pentachloride: PCI3 (g) + Cl2 (g) PCI5 (g) K. = 3.0 at 84.8°C If the initial concentration of PCI3 is 1.0 M and that of Cl2 is 2.0 M, what will be the equilibrium concentration of PCI5? (A) (B) 0.783 M 2.55 M (C) 6.0 M (D) 2.35 M (E) 1.57 M

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter15: Principles Of Chemical Reactivity: Equilibria
Section15.4: Using Equilibrium Constants In Calculations
Problem 15.5CYU: The decomposition of PCl5(g) to form PCl3(g) and Cl2(g) has Kc = 33.3 at a high temperature. If the...
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Phosphorus trichloride and chlorine gas react to form phosphorus pentachloride: PCI3 (g) + Cl2 (g) PCI5 (g) K. = 3.0 at 84.8°C If the initial concentration of PCI3 is 1.0 M and that of Cl2 is 2.0 M, what will be the equilibrium concentration of PCI5? (A) 0.783 M (B) 2.55 M (C) 6.0 M (D) 2.35 M (E) 1.57 M
Transcribed Image Text:Phosphorus trichloride and chlorine gas react to form phosphorus pentachloride: PCI3 (g) + Cl2 (g) PCI5 (g) K. = 3.0 at 84.8°C If the initial concentration of PCI3 is 1.0 M and that of Cl2 is 2.0 M, what will be the equilibrium concentration of PCI5? (A) 0.783 M (B) 2.55 M (C) 6.0 M (D) 2.35 M (E) 1.57 M
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