What does pH measure?

1. number of hydrogen atoms in an acid

2. number of hydroxide atoms in a base

3.concentration of hydrogen ions in solution

4. concentration of hydroxide ions in solution

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.