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Question: Explain the concept of solubility, describe the process of dissolution, and explain the factors that can affect a substance's solubility. Answer: Solubility is the property of a solute to dissolve in a particular solvent to form a homogeneous mixture or a solution. The process of dissolution involves the surrounding and interaction of solute molecules by solvent molecules, leading to dispersion of solute molecules throughout the solvent. Several factors can affect solubility, including temperature, pressure, and the polarity of the solute and the solvent. For most solid solutes, solubility increases with temperature, while the solubility of gases in liquids is directly proportional to the pressure. The nature of solute and solvent also plays a significant role; polar solutes like salts dissolve better in polar solvents like water, while non-polar solutes like oils dissolve more readily in non-polar solvents like benzene, following the rule "like dissolves like".