For the equilibrium 2 PH3 (g) ⇄ P 2 (g) +3 H2 (g) , the equilibrium partial pressures are PPH= 0.022 atm, PP = 0.289 atm, and PH = 0.867 atm at 873 K.Calculate Kp. 
A) 0.0585
B) 17.1
C) 0.0441
D) 2.50* 10-3
E) 389
Correct Answer:
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