Answer to Question #314968 in General Chemistry for savruby

Question

the components of a synthetic atmosphere are 80.5 mol percent Ar, 18.0 mol percent O2 and 1.5 mol percent CO2. If the total pressure of the gas mixture is to be 748 Torr, determine the partial pressure for the argon in the mixture.

Answer 1

Ratio= Ar:O2:CO2= 80.5:18:1.5

Pressure of At is;

(80.5/100)×748= 602.14torr