0.204 moles of xe gas
Using the ideal gas formula, PV=nRT
n = PV/ RT
= 5.0 L × 1.0 atm / 0.0821 × 298 K
= 0.204
n = n Xe + n N₂
0.204 = n Xe + 1.0 mol
n Xe = 0.204 moles
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