It is possible for head lice to live temporarily on items such as bedding, couches, hair accessories, car seats, toys and clothing. Fortunately, head lice can only survive 24-48 hour off of the head and are relatively easy to remove from the home.
The molar mass of aspirin (2-acetoxybenzoic acid), C9H8O4, is 180.157 g/mol. The molar mass of aspirin (2-acetoxybenzoic acid), C9H8O4, is 180.157 g/mol.
Aspirin Synthesis Materials. 1  3.0 g salicylic acid. 2  6 mL acetic anhydride*. 3  5-8 drops of 85% phosphoric acid or concentrated sulfuric acid*. 4  Distilled water (about 50 5  mL) 10 mL ethanol.  1% iron III chloride (optional, to test purity)