For any experiment involving solvent extraction, which of the following solvent physical properties must be included in your lab notebook pre-lab write-up? this physical property is essential for proper layer identification after phase separation.

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.