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Four solutes are added to a solvent. All solutes have the same mass and solubility. The surface areas of four solutes are 2 mm2, 4 mm2, 6 mm2, and 10 mm2. Which solute will dissolve the quickest? 2 mm24 mm26 mm210 mm2.

Sagot :

Of the four solutes added to a solvent, the one with the smallest surface area (2 mm2) will dissolve the fastest.

Reasoning

Superficial area

The surface area or particle size especially affects the rate of solubility.

The greater the surface area (smaller particle size) the faster it dissolves. This is evidenced by the fact that a sugar cube dissolves more slowly than granulated sugar.

Solubility rate

The rate at which a solute dissolves depends on the size of the solute particles.

Dissolution is a surface phenomenon, since it depends on solvent molecules colliding with the external surface of the solute.

A given amount of solute dissolves faster when it is ground into small particles, rather than large chunks, because more surface area is exposed.

Other Factors Affecting Solubility

In addition to solute surface area, temperature and pressure influence the balance of intermolecular forces between solvent and solute, and the change in entropy that accompanies solvation, thus changing solubility.

Learn more about solubility at https://brainly.com/question/12024964

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