A CO₂ Analyzer Is Calibrated Using a 5% CO₂ mixture

Multiple Choice

A CO₂ analyzer is calibrated using a 5% CO₂ mixture with a water vapor absorber in the sample line.If the barometric pressure is 747 mm Hg and the analyzer is set up to read partial pressure,the analyzer should be adjusted to read which of the following?

A) 40 mm Hg
B) 37 mm Hg
C) 35 mm Hg
D) 31 mm Hg