A process is carried out for the feed mixture of 50% air and 50% methane vapor, the compressor recovered 20% of methane, what is the exit pressure of the compressor, if the partial pressure of methane vapor is 25 mm Hg?

• A. 56.3 mm Hg
• B. 78.9 mm Hg
• C. 92.1 mm Hg
• D. 98.7 mm Hg