POSTLAB QUESTIONS Questions 1. Classify each of the solutes as covalent or ionic (yes/no). Covalent lonic sucrose, C,H2O adine, I calcium chloride, CaCl, sodium chloride, NaCl potassium permanganate, KMnO cholesterol ascorbic acid (vitamin C) ethanol, C,HOH vegetable oil vitamin E hexane, C.H 1. Which solutes would you classify as noapolar? 2. What property do the covalent solutes have in common? 3. Vitamins are classified as water-soluble or fat soluble. How would you classify the two vitamins you tested? Acetic acid is a covalent compound, but when dissolved in water it is a weak electro- lyte. How would you explain this phenomenon? 4. Did you see any change in the color of the indicator in the carhonated water after heating? Explain this result 5.
