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3 g mol of phosphorus is heated in a fla...

`3 g` mol of phosphorus is heated in a flask of `4 L` volume. At equilibrium, it dissociates to give `40%` of phosphorus trichloride and chlorine. Calculate the equilibrium constant.

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To solve the problem of calculating the equilibrium constant for the dissociation of phosphorus pentachloride (PCl5) into phosphorus trichloride (PCl3) and chlorine (Cl2), we can follow these steps: ### Step 1: Write the balanced chemical equation. The dissociation reaction can be written as: \[ \text{PCl}_5(g) \rightleftharpoons \text{PCl}_3(g) + \text{Cl}_2(g) \] ### Step 2: Identify the initial conditions. We are given: ...
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