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The only molecules that are soluble in water are those that are polar. Also, ionic compounds are soluble in water, but they are not true molecules. They are insoluble in water because they are composed primarily of long chains of hydrocarbons. Fatty acids consist of long, unbranched hydrocarbons with a carboxylic acid group at one end. The number of carbon atoms in a fatty acid molecule is usually even (6, 8, 12, 32, 36, etc.), although it is not impossible to find a fatty acid with an odd number of carbon atoms in its structure. While the long, hydrocarbon chain of the fatty acid continues to be strongly hydrophobic, the presence of the carboxylic acid group at one end of the molecule adds some hydrophilic properties. Small fatty acids such as propionic acid (with 3 carbon atoms) mixes with water readily, caproic acid (with 6 carbon atoms) is only 0.4 percent soluble in water. When fatty acids or other nonpolar molecules are put into water, the water repels them because there are no parts of the molecule that have charge, thus no attraction.
Wiki User
∙ 16y ago
Wiki User
∙ 12y agothe water can not combine with all of the acid
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What does the three fatty acids make?
Three fatty acids and a glycerol molecule make a single tryglyceride and 3 water molecules.
What part of the cell membranes does not mix with water?
fatty acids
What cell membrane does not mix with water?
fatty acids (APEX)
What is the function of the fatty acids in the plasma membrane?
the function of the fatty acid tail is attract water.
Which part of the membrane prevents organisms from dissolving in water?
Nonpolar fatty acid chains.Non fatty acid chains
What are the pharmaceutical uses of oxalic acid?
The pharmaceutical uses of Oxalic Acid is to prepare organic acids. Oxalic Acids are important for the metabolism. The water solubility is important in breaking down fatty acids.
How do you separate amino acids from fatty acids?
Amino acids are soluble in water and fatty acids are not.
Why are fatty acids not excreted in urine?
Fatty acids are not excreted in the urine because only water soluble substances can be processed into urine, and fatty acids are lipid soluble, not water soluble.
What is this chemical reaction fatty acids plus triglyceride plus water?
Dehydration of fatty acids
How you can made calcium soap of fatty acids?
Soap scum is calcium soap of fatty acids. It is the result of soap in hard water-- the fatty acids in soap bond with the calcium ions in hard water and create an insoluble compound.
What does the three fatty acids make?
Three fatty acids and a glycerol molecule make a single tryglyceride and 3 water molecules.
What is sodium benzoate solubility in water?
The solubility of sodium benzoate in water is 62.69 grams per 100 mL. Generally acids are not very soluble in water.
Are fatty acids fats and oils water soluble?
no
What part of the cell does not mix with water?
fatty acids
What part of the cell membrane does not with water?
fatty acids
What are organic macromolecules that are insoluble in water?
Fatty acids are insoluble in water.
What is an organic macromolecule that are insoluble in water?
Fatty acids are insoluble in water.
