Stoichiometric relationships
Solution formation Video https://www.youtube.com/watch?v=zePYWZ2AjnI
X ray Crystallography
DNA Structure determination
Proteins Structure determination https://www.youtube.com/watch?v=j4HgLf_eJoc
Running an actual Sample https://www.youtube.com/watch?v=91i7Fbw21jk
Ideal Gas Law
Introduction with QN + ANS https://www.youtube.com/watch?v=robEY-idcLU