Question: 3. A solid sample of PH3BCl3(s) is placed in a closed vessel at 80C and allow to reach equilibrium. The reaction is given below: PH3BCl3(s)PH3(g)+BCl3(g)Kp=1.57

3. A solid sample of PH3BCl3(s) is placed in a closed

3. A solid sample of PH3BCl3(s) is placed in a closed vessel at 80C and allow to reach equilibrium. The reaction is given below: PH3BCl3(s)PH3(g)+BCl3(g)Kp=1.57 What is the partial pressure of PH3(g) at equilibrium? A. 1.25atm B. 1.16atm C. 0.78atm D. 0.52atm E. This cannot be determined without knowing the initial mass of PH3BCl3(s)

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