Here's why:
* Strong covalent bonding: Graphite is made of layers of carbon atoms held together by strong covalent bonds. These bonds are difficult to break, making graphite very stable.
* Van der Waals forces: The layers are held together by weak Van der Waals forces, which are easily overcome by heat.
Therefore, no common solvent can effectively dissolve graphite.
However, some special conditions can break down graphite:
* Extreme temperatures: At very high temperatures (over 3500°C), graphite can be converted into gaseous carbon.
* Strong oxidizing agents: Very strong oxidizing agents, like a mixture of concentrated nitric acid and potassium chlorate, can slowly oxidize graphite.
In summary, dissolving graphite requires harsh conditions and is not easily achievable with conventional solvents.