Consider the following properties of the atmosphere near the Salton Sea in summer: Average surface pressure: 1,050 mbar Average temperature: 320K Atmospheric gas composition (by volume): Nitrogen (N2)77.8%, Oxygen (O2)20.9%, Water (H2O)0.4%, Argon ( Ar),0.9%. a. What is the average partial pressure of Ar in the atmosphere, pA, in units of Pa ? b. What is the average molar concentration (mol/m3) of Ar in the atmosphere, cA ? c. What is the average total molar concentration (mol/m3) of all gases in the atmosphere? d. What is the average total mass concentration (kg/m3) of all gases in the atmosphere