Chapter 21, Problem 43R

To determine

To Complete the interactive concept map.

Explanation of Solution

a. A solution forms when a solute and a solvent become evenly mixed. In a solution, there can be large number of solutes and solvents. For example; air is a solution of gases, ocean is a solution of salt water.

b. Solutes can be polar or non-polar. For example: Sugar and ionic compounds such as NaCl are polar solutes while oil and noble gases such as Argon are non-polar solutes.

c. Polar solutes do not dissolve in non-polar solvents, they are only dissolved in polar solvents. Similarly, non-polar solutes only dissolve in solvents which are non-polar in nature.

d. Water is polar in nature and considered as universal solvent since it dissolves most of the polar solutes.

e. Most of the oils consists of hydrocarbons which are non-polar molecules. Other solvents such as benzene, ethane is also non-polar in nature.

Conclusion:

Thus, interactive concept map can be completed by filling following answers:

a. Solutes.

b. Non-polar.

c. Polar solvents.

d. Water, ethanol.

e. Mineral oil, ethane.