More sugar can be dissolved in hot water than cold water because the kinetic energy of the water is increased when heat is added.This increases the number of collisions with the sugar thus dissolving more of it.

Question

Quizplus · Accepted Answer

When heat is added to water, the molecules move faster and collide more frequently with the sugar molecules, increasing the rate of dissolution. Therefore, more sugar can dissolve in hot water than in cold water.

More Sugar Can Be Dissolved in Hot Water Than Cold