Question

'Imagine there is a tank of unknown gas that contains 53.31% carbon, 11.18% hydrogen, and 35.51% oxygen by mass. At 35.0 °C and 0.455 bar, 2.00 L of the gas has a mass of 3.20 g. Using this information, answer the following questions. a.) What is the empirical formula of the gas?. b.) how many moles of gas are in the tank?. c) What is the molecular formula of the gas?'