The reaction Br2(g) + 12(g) ⇒ 2 IBr(g) has a Kp of 324 at 348 K. If the partial pressures of Br2 and 12 are both 0.0500 atm each initially, what is the equilibrium partial pressure of IBr? O 8.10 x 10-³ atm 4.50 x 10-² atm 9.00 x 10-² atm O 5.00 x 10-³ atm

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