Reichsteins substance if I remember correctly.
Hope this helped! :)
- Juju
Answer:
"The number of air molecules above a surface determines air pressure. As the number of molecules increases, they exert more pressure on a surface, and the total atmospheric pressure increases. By contrast, if the number of molecules decreases, so too does the air pressure."
<span>it is limited to situations that involve aqueous solutions of specific compounds
I hope this helps</span>