Elemental analysis indicates the simplest formula of an unknown is C2H4O. Explain when 0.775 g of the compound is dissolved in 50 g of benzene (C6H6) the solution freezes at 5.06 degrees Celsius. Explain what are the molecular weight as well as the molecular formula of the compound? The freezing point of pure benzene is 5.48 degrees Celsius as well as it's Kf is 5.12 degrees Celsius/m