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chemistry Kc equilibrium question help needed
hi i stuck on this chemistry question, its do with calculating the Kc frm equilbrium amounts. any help would be appreciated. the question:
4.0grams of phosphorus pentachloride is allowed to reach equilibrium at 250 celcius in a 700cm3 vessel. Kc = 0.19moldm^-3 for the following reaction at 250 celsius:
PCl5(g) -----> PCl3(g) + Cl2(g)
calculate the amount of phosphorus pentachloride at equilbrium.
the answer is 0.002mol but i cant get that. thank you in advance.
4.0grams of phosphorus pentachloride is allowed to reach equilibrium at 250 celcius in a 700cm3 vessel. Kc = 0.19moldm^-3 for the following reaction at 250 celsius:
PCl5(g) -----> PCl3(g) + Cl2(g)
calculate the amount of phosphorus pentachloride at equilbrium.
the answer is 0.002mol but i cant get that. thank you in advance.
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