use the References to eccess impertast vahaes if eseded for this gotation. mixture? Rese=mimikgPin=(nesHig l mera gitipi Miliny ifrrastion. A mixture of nitrogen and helium gases contains nitrogen at a partist pressure of 661 mm Ho and helium at a partial pressiue of 274 mum Ho. What is the miole fraction of exh oas in the mixture? xNH2=xHee= Use the Meferences to acciss important values if needed for this question how momy grams of carbon dioxide are present? Mass: gCO3