Solutions Answer Sheet
Chapter 14
14) (a) No, (b) Yes, it is. Because increasing the pressure does not significantly
increase the contact of the solutes with the solvent.
23) For dilute aqueous solutions near room temperature. Molarity is most useful
when using equipment that measures liquids by volume since molarity is based
on volume.
36) Two possible explanations: (1) Solute molecules reduce the number of
solvent molecules at the surface of the solvent, or (2) Solute molecules take
energy from solvent molecules at the surface.
91) Colloidal dispersions are made from large aggregations of surfactant
molecules to form colloids and the colloids are dispersed in the solvent. A true
solution is made from solute molecules dispersed individually in the solvent.