Chemistry Regents Practice Test 2026 – Complete Prep Resource

Question: 1 / 400

What is an example of a factor affecting solubility?

Charge of the solute

Surface area of the solute

The surface area of the solute plays a significant role in influencing its solubility. When a solute has a larger surface area, more particles of that solute are exposed to the solvent at any given time. This increased exposure allows for a greater interaction between the solute and solvent molecules, facilitating the dissolution process. For instance, powdered substances typically dissolve faster than larger, chunkier forms of the same substance because the powder has a greater surface area per volume.

In solubility discussions, other factors such as temperature and the nature of both solute and solvent are also crucial; however, the surface area directly relates to the rate of dissolution and can thus affect how quickly a solute dissolves. Understanding how surface area impacts solubility is essential in various applications, including chemical reactions, pharmaceutical formulations, and environmental science.

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Density of the solvent

Color of the solute

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