"SDN:P07::CFV8N22" . . "2" . . "false" . . "SDN:P07::CFV8N22" . . . . . "2019-05-14 17:27:19.0" . "SDN:P07::CFV8N22" . . . "accepted"@en . "mole_fraction_of_cfc12_in_air"@en . "2" . "2019-05-14 17:27:19.0" . "" . "\"Mole fraction\" is used in the construction \"mole_fraction_of_X_in_Y\", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as \"nitrogen\" or a phrase such as \"nox_expressed_as_nitrogen\". The chemical formula for CFC12 is CF2Cl2. The IUPAC name for CFC12 is dichloro(difluoro)methane."@en .