Chp 4 Video Library:

1 Mixtures and compounds : click here
2 Solute and Solvent - Dissolving : click here
3 Concentration : click here
4 For Those About To Dissolve We Solute You : click here
5 Homogenenous and Heterogeneous Mixtures : click here
6 Separation Iron in Sand Mixture : click here
7 Soluble and Insoluble : click here

additional video: Pure Substances and Mixtures : click here