How could you find the molar mass of a compound such as water (H2O)

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

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.

Describe the forces both attractive and repulsive that occur as two atoms move closer together.