(5.00 Puanlar) 11 - A laboratory experiment was performed to identify an unknown chemical, using the table for physical properties of common substances below. The unknown chemical was found to be sparingly soluble in water and completely soluble in ethanol and cyclohexane. Which of the following substances can be the unknown chemical? Physical Properties of Some Common Laboratory Chemicals Compound Boiling point Solubility Water Ethanol Cyclone 3 1 Density (em') 0.79 0.81 0.81 1.49 0.90 0.66 0.79 0.96 0.80 0.79 0.87 Malting point (C) -95.0 -860 -104.0 -63.5 -84.0 -950 94.0 80.3 -1270 -90.0 -950 Acetone 2-Butanone Cyclohex Chieroform Ethyl acetate n-Hexar Methyl alcohol Naphthal 1-Propanol 2. Propanel Tolvane 56 80 83 61 77 69 55 218 up 5 . 1 39 i 97 3 3 82 311 1 a) b) 2-propanol Methyl alcohol Toluene Ethyl acetate Dachau