Question

given an atmospheric pressure of 750mm Hg, find the partial pressures of nitrogen, oxygen. carbon dioxide and argon

Answer 1

Do you have the volume percents of O2, N2, CO2, and Ar listed? If not look them up on Google, then
%O2 x 750 = ?
%N2 x 750 = ?
%CO2 x 750 = ?
%Ar x 750 = ?