Heated mater rises and cold mater sinks
Osmosis is a special kind of diffusion where solvent particles move through a semi permeable membrane from low concentration of solute to high concentration of solute.
so it depends upon
a) how much solvent is present : More the solvent on one side of semipermeable membrane more the movement of solvent particles on the other side of membrane
I belive it is a we all have 46 chromosomes.I learned this in sience.
With a pH of five, it would mean that this substance is a weak acid one would also it expect it would be sour.