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.
A percent yield over 100% could be due to water not completely dissolving from the product. 4. Our crude aspirin had a melting point range of 56.0-78.2 C. Our recrystalized aspirin product had a melting point range of 110.0-116.2.We observed a melting point range of 127.0-135.0 with commercial aspirin while the actual melting point is reported as 134-136 C from sigma-Aldrich online. percent yield over 100% could be due to water not completely dissolving from the product. 4. Our crude aspirin had a melting point range of 56.0-78.2 C. Our recrystalized aspirin product had a melting point range of 110.0-116.2.