What is the effect of adding a non-volatile solute to a solvent? (2023)

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Question: What is the effect of adding a non-volatile solute to a solvent? (2023)

Options:

Correct Answer: Increases boiling point

Exam Year: 2023

Solution:

Adding a non-volatile solute to a solvent increases the boiling point of the solution due to the colligative property of boiling point elevation.

What is the effect of adding a non-volatile solute to a solvent? (2023)

What is the effect of adding a non-volatile solute to a solvent? (2023)

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: When you add a non-volatile solute to a solvent, it mixes with the solvent but does not turn into gas.
Step 4: This mixing changes how the solvent behaves, especially when it comes to boiling.
Step 5: The boiling point is the temperature at which a liquid turns into vapor (gas).
Step 6: Adding the non-volatile solute makes it harder for the solvent molecules to escape into the gas phase.
Step 7: Because of this, the solution needs to be heated to a higher temperature to boil.
Step 8: This phenomenon is called boiling point elevation, which is a colligative property.

No concepts available.