A gas cylinder A has a volume of 48.2 L and contains N2 (g) at 8.35 atm and 25 ° C. Gas cylinder B, the volume of which is unknown, contains He (g) at 9.50 atm and 25 ° C. When the two cylinders are connected and the gases are mixed, the pressure in both cylinders is 8.71 atm.
What is the volume, in liters, of bottle B?
A 0.2121 g sample of an organic compound was burned in a stream of oxygen, and the CO2 produced was collected in a solution of barium hydroxide. Calculate the percentage of carbon in the sample if 0.6006 g of BaCO3 was formed.
