J James New member Dec 7, 2009 #1 an uknown gas composed of homonuclear diatomic molecules effuses at a rate that is only 0.355 times that of O2 at the same temperature. calculate the molar mass of the uknown, and identify it.
an uknown gas composed of homonuclear diatomic molecules effuses at a rate that is only 0.355 times that of O2 at the same temperature. calculate the molar mass of the uknown, and identify it.
