Then add 3 drops of mineral oil to a watch glass and spread it around to form a

Then add 3 drops of mineral oil to a watch glass and

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pH paper and record the result in your notebook. Then, add 3 drops of mineral oil to a watch glass and spread it around to form a thin layer. Add 5 drops of the soap solution from test tube 1 and use it to wash the mineral oil from the watch glass and record your observations regarding the cleaning effectiveness of the soap in your notebook. Dry the watch glass with a paper towel and repeat this step one more time times using the other sample (test tube 2). Record your observations in your notebook. Lastly, add 2 drops of 0.5 M CaCl2 to each test tube and record your observations in your notebook. Dispose of all your soap solutions and any remaining soap samples as directed by your instructor. Post-Lab Questions and Result Result Triglyceride source : Veggie oil Appearance of soap sample : It is like a butter, a little bit solid and creamy pH of soap sample : 10.0 Soap sample evaluation Sample Cleaning effectiveness Addition of CaCl 2 pH Your soap Medium The soap gather to the CaCl 2. There is precipitation and a little bit scum. ±10.0 (Blue) Commercial detergent Really good There is nothing change. ±7.0 (Yellow)
1.Which of the samples you tested was the most effective cleaner in your experiment? What can you infer about the relationship between the structure of this cleaning agent andmineral oil?

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