Concept explainers
Interpretation:
The meaning of increasing the surface area of a solid and its effect on dissolution is to be explained.
Concept introduction:
Surface area is the area which can interact with surroundings.
Answer to Problem 9A
Increasing the surface area of solid means increasing the interactive sites on the solid surface
More of the solid interacts with solvent particles on increasing surface area. Therefore, rate of dissolution increases.
Explanation of Solution
Surface area of a solid is increased when area of surface which can interact with outer surroundings is increased. It can be done by breaking the solid into smaller pieces.
When the surface area is increased the solvent particles can interact from more sites. Therefore, the rate of dissolution increases.
Increase in surface area of a solid increases its dissolution rate.
Chapter 15 Solutions
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