A drug with a mass of 0.2231 g was exposed to chains of reactions that changed all of the nitrogen in the drug into nitrogen gas. This gas had a volume of 18.93 mL when collected over water at 23.80 degree Celsius and a pressure of 746.0 torr. At 23.80 degree Celsius the vapour pressure of water is 22.110 torr. Determine the %N in the sample
