34 EXPERIMENT 34 Pre-Lab Questions 1. Below is a general outline of a soap molec

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34 EXPERIMENT 34 Pre-Lab Questions 1. Below is a general outline of a soap molecule. Indicate on the outline the area that is expected to be hydrophobic and the area that is expected to be hydrophilic. 2. With respect to the above molecular outline, what chemical properties would you expect for the (a) hydrophobic area and for the (b) hydrophilic area? 3. How should a good emulsifying agent behave? 4. "Soap scum" forms in "hard water," water containing Ca+ and Mg+ salts. How do you explain this behavior of soap? 5. Soaps work best when water is neutral or alkaline, but not very well when water is acidic. Explain this behavior of soap. 6 How are soaps prepared?

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34 EXPERIMENT 34 Pre-Lab Questions 1. Below is a general outline of a soap molec

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