Unformatted text preview: however satisfy our cleansing standards. When we added a small portion of our soap to the distilled water and shook it up there was a lot of foam. This was due to the fact that there were not a lot of impurities. When the soap was added to the tap water there weren’t as many bubbles because the tap water had some impurities. After we added the soap to the calcium chloride no bubbles formed. The concentrated salt solution was used to wash the crude soap rather than distilled or tap water because the NaCl keeps the NaOH or fatty acid from dissolving....
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- Fall '06
- pH, Sodium, Sodium chloride, Sodium hydroxide, Lisa Rubino, Anna McCarthy