Question 1
The most important polar molecule is ________ because it is a universal solvent in biological solutions.
◦ bicarbonate
◦ nucleic acid
◦ sodium chloride
◦ water
◦ magnesium sulfate
Question 2
A substance is highly soluble if it is
◦ very likely to dissolve in water.
◦ not very likely to dissolve in water and is called aqueous.
◦ not very likely to dissolve in water.
◦ called aqueous.
◦ very likely to dissolve in water and is called aqueous.