THE FLUIDITY OF SOLUTIONS

173

the kydration is the same as before both in relative composition
and amount, However, it is clear that the deviation of the fluidity

FIG. 63.— Diagram to Illustrate the fact that when two substances A and B
of similar fluidity are mixed, the formation of a solvate produces a rQinimum in
the fluidity-concentration curves.

Tejnp. A °/ B B
a h
FIG. 64.—Diagram illustrating how when two substances A and B are mixed
whose fluidities are very different, the formation of a solvate produces ao mini-
mum in the fluidity-concentration curve.
volume concentration curves from the linear curves, which would
be expected were there no combination, and as indicated in the
figures by the distance MN, is the same as in the preceding case.