Amixture of benzene and toluene has a total vapor pressure at 25°c of 45.06 mmhg. what is the partial pressure of benzene in this solution? the vapor pressure of pure benzene and pure toluene at 25°c are 95.03 mmhg and 28.40 mmhg respectively.

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.