Solve the below problem:
Q: The temperature and pressure at the surface of mars during a Martian spring day where determined to be -50°C and 900 pa, respectively.
(a) Determine the density of the Martian atmosphere for these conditions if the gas constant for the Martian atmosphere is assumed to be equivalent to that of carbon dioxide.
(b) Compare the answer from part (a) with the density of the earth's atmosphere during a spring day when the temperature is 18°C and the pressure 101.6kPa (abs).