Unit 8 Review (Adv) - Solutions

Front

What is a solution?

Back

A solution is a homogeneous mixture composed of two or more substances, where one substance (the solute) is dissolved in another (the solvent).

Front

What is a solute?

Back

A solute is the substance that is dissolved in a solution. For example, in a saltwater solution, salt is the solute.

Front

What is a solvent?

Back

A solvent is the substance that dissolves the solute in a solution. In a saltwater solution, water is the solvent.

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What does 'aqueous' mean?

Back

Aqueous refers to a solution where water is the solvent.

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How does temperature affect solubility?

Back

Generally, as temperature increases, the solubility of solids in liquids increases, while the solubility of gases decreases.

Front

What is molarity (M)?

Back

Molarity is a measure of concentration, defined as the number of moles of solute per liter of solution.

Front

How do you calculate the mass of solute in a solution?

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Mass of solute (g) = Molarity (mol/L) × Volume of solution (L) × Molar mass of solute (g/mol).

Front

What is the effect of stirring on the rate of dissolution?

Back

Stirring increases the rate of dissolution by distributing the solute particles throughout the solvent more quickly.

Front

What is saturation in a solution?

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Saturation occurs when a solution can no longer dissolve additional solute at a given temperature and pressure.

Front

What is a concentrated solution?

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A concentrated solution contains a large amount of solute relative to the amount of solvent.