Consider a mixture is a 2 dm^3 flask at 27 degree C. For each of the following mixtures, calculate the partial pressure of each gas, the total pressure, and the compositon of the mixture in mole percent. (Hint: for mole percent take your answer for mole fraction and multiply it by 100%)
a. 3.25 g of H2 and 2.75g of O2
b. 2.15 g of CH4 and 1.65g of NH3