In the gas phase reaction 2 A(g) + B(g)  ⇋  3 C (g) + 2 D (g), it was found that when 1.00 mol A, 2.00 mol B and 1.00 mol D were mixed and allowed to come to equilibrium at 25oC, the resulting mixture contained 0.9 mol C at a total pressure of 1.00 bar.  Calculate the mole fractions of each species, kx, kp and ∆G0

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