What is the effect of a non-volatile solute on the boiling point of a solvent?

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Question: What is the effect of a non-volatile solute on the boiling point of a solvent?

Options:

Correct Answer: It increases the boiling point

Solution:

The addition of a non-volatile solute raises the boiling point of the solvent, a phenomenon known as boiling point elevation.

What is the effect of a non-volatile solute on the boiling point of a solvent?

What is the effect of a non-volatile solute on the boiling point of a solvent?

Correct Answer: The boiling point of the solvent increases.

Step 1: Understand what a solvent is. A solvent is a substance, usually a liquid, that dissolves a solute.
Step 2: Know what a non-volatile solute is. A non-volatile solute is a substance that does not easily evaporate at normal temperatures.
Step 3: Learn about boiling point. The boiling point is the temperature at which a liquid turns into vapor.
Step 4: Recognize that adding a non-volatile solute to a solvent changes its properties.
Step 5: Understand that when a non-volatile solute is added, it makes it harder for the solvent molecules to escape into the vapor phase.
Step 6: Realize that because of this, the temperature must be increased to make the solvent boil.
Step 7: Conclude that the boiling point of the solvent is raised when a non-volatile solute is added, which is called boiling point elevation.

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