Question

#1: A concentration in terms of volume/volume is used to describe which of the following types of solutions?

Answer 1

B.
This method of expressing concentration is employed with solutions where both the solute and solvent are liquid. This is because it is easy to measure the volume of a liquid compared to that of a solid. Usually weight/weight is used in concentrations involving only solids.

Answer 2

I believe the correct response would be D. Solutions with a liquid solvent and a solid solute. This is primarily for concentrations measured in terms of number of moles/volume.