Why does the titration of terephthalic acid yield a mass of approximately half the molar mass?
The organic compound that is white in color and is widely used for commercial purposes like the manufacture of plastic bottles and clothes. It can be synthesized by oxidation of para-disubstituted derivatives of benzene. Some other manufacturing sector that uses this organic compound includes pharmaceuticals, paint, and metal-organic frameworks.
Answer and Explanation:
Titration is carried out to determine the concentration of terephthalic acid. This volumetric analysis yields a mass of approximately half the molar mass due to its insolubility in alcohol. The process of Karl Fischer Titration is carried out. The obtained molar mass is half as only the molecules that are adherent are only analyzed. A higher temperature is also advised for the process.
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Learn more about this topic:
from Chemistry 304: Organic Chemistry IIChapter 5 / Lesson 5