Final answer:
The abbreviation for "aspirin" is d) ASA, representing Acetylsalicylic Acid, which has a molecular structure of C9H8O4 and a mass of 180.15 amu.
Step-by-step explanation:
The abbreviation for "aspirin" is d) ASA. This stands for Acetylsalicylic Acid, which is the chemical name for aspirin. Aspirin is a medication commonly used to relieve pain, fever, and inflammation and has been known for its health effects since ancient times when it was derived from willow tree leaves. Today, aspirin is synthesized through the esterification of salicylic acid with acetic anhydride. The structure of the aspirin molecule is known as C9H8O4, and it has a molecular mass of 180.15 amu.