Consider two organic molecules,ethanol and benzene.One dissolves in water and the other does not.Why? September 21, 2022 by 8i9x6 They have different molar masses. One is ionic,the other is not. One is an electrolyte,the other is not. Ethanol contains a polar O-H bond,and benzene does not. Two of these are correct. See Answer Ethanol contains a polar O-H bond,and benzene does not.