I. Does the solubility of the solute increase or decrease ineach of the following situations?
1. Ice is placed in a glass of cola (solute is CO2 gas).
2. Honey is dissolved in hot water instead of cold water.
3. The pressure of O2 over a solution is increased (solute is O2gas).
II. Which of the following statements about the dilution of asolution are true?
| The volume of solution remains unchanged. |
| The amount of solute decreases. |
| The amount of solute remains the same. |
| The volume of the solution is decreased. |
III. In order to prevent the process of either crenation orhemolysis with red blood cells an intervenous solutionconcentration should be ________ to the concentration of blood.
| hypotonic |
| isotonic |
| hypertonic |
| all of these |