Right now I'm currently trying to calculate the average surface pressure at sea level of an atmosphere, but I'm having a struggle finding the relevant formulae with which to determine this number. Relevant parameters that I have calculated include that the planet in question has a surface gravity equal to 1.606 that of Earth's (with a radius of 10,263.189 km), an average surface temperature of 12.7°C, and the following atmospheric composition:
Nitrogen 72.133% Oxygen 25.381% Argon 1.318% Water vapor 0.471% Neon 0.312% Helium 0.138% Krypton 0.141% Carbon dioxide 0.078% Nitrogen dioxide 0.00057% Methane 0.00926% Hydrogen 0.00366% Xenon 0.0138% Ozone 0.000084% Isopropanol 0.000073% Other gasses 0.00055%
Which formulae would be most useful in figuring out this problem given any piece of the information above? No matter where I look I only find information specifically tailored to Earth's atmosphere.