answered 5/7/2010 How Many Moles Of Neon Occupy A Volume Of 14.3L At Stp? 1 mole of Ne =22.4 L at STP conversion factors: 14.3L x 1 mol Ne/22.4L = 0.638 Or Ideal Gas law V=14.32 @ STP T=273K p=1 atm pv=nRT n=pv/rt= 1atm x 14.3L/0.0821 atmL/Kmol x 273K = 0.638
