Water does not easily remove grease from dirty hands because grease is nonpolar and water is polar; therefore they are immiscible. The addition of soap, however, results in the removal of the grease. Examine the following structure of soap and explain why soap works.
CH3(CH2)16C ---- O- Na+
Chemistry - bobpursley, Friday, May 6, 2011 at 8:28pm
So what effect do you think that long chain in the soap has on grease?