"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of peroxynitric acid is HNO4."@en . . "SDN:P07::CFV8N45" . . "accepted"@en . . "2008-04-15 14:00:00.0" . . "mole_fraction_of_peroxynitric_acid_in_air"@en . . "" . . . "SDN:P07::CFV8N45" . "SDN:P07::CFV8N45" . . "1" . "1" . "false" . "2008-04-15 14:00:00.0" .