Adding Soap to Oil & Water | Sciencing
The soap molecule structure is a long string of hydrocarbons with one uncharged end and the other end ionic, or charged. The soap molecule is hydrophilic and hydrophobic, meaning that it is both attracted to and repelled by water.Because the uncharged end mixes with oil, and the charged end mixes with water, soap molecules can break the oil molecules into smaller ones and allow the water ...
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