The three factors that can increase the rate of dissolution are:
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Increase surface area - When the surface area of a solute is increased (for example, by grinding it into a powder), it exposes more area for the solvent to interact with, leading to a faster dissolution.
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Agitation or stirring - Stirring or shaking the solution helps to disperse the solute throughout the solvent, which can help to break up any solute particles and allow more solvent to come into contact with the solute, increasing the rate of dissolution.
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Increase temperature - Raising the temperature typically increases the kinetic energy of the molecules, which can result in faster movement of solvent molecules and a greater interaction with the solute, thus enhancing the rate of dissolution.
So, the correct answers are: increase surface area, agitation or stirring, and increase temperature.