Solution - Review

Front

What is vapor pressure?

Back

Vapor pressure is the pressure exerted by a vapor in equilibrium with its liquid or solid phase at a given temperature.

Front

Which liquid has the highest vapor pressure at 75°C?

Back

Propanone has the highest vapor pressure at 75°C compared to ethanoic acid, ethanol, and water.

Front

How does temperature affect the solubility of gases like NH3?

Back

Generally, the solubility of gases decreases with an increase in temperature.

Front

How does temperature affect the solubility of ionic compounds like KCl?

Back

The solubility of many ionic compounds, such as KCl, typically increases with an increase in temperature.

Front

What is freezing point depression?

Back

Freezing point depression is the decrease in the freezing point of a solvent when a solute is added.

Front

Which solution will freeze at the lowest temperature: 1 mole of sugar in 500 g of water or 2 moles of sugar in 500 g of water?

Back

2 moles of sugar in 500 g of water will freeze at the lowest temperature due to greater solute concentration.

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 many moles of solute are in 200 mL of a 1 M solution?

Back

There are 0.2 moles of solute in 200 mL of a 1 M solution.

Front

What is the effect of adding more solute to a solution on its freezing point?

Back

Adding more solute to a solution lowers its freezing point.

Front

What is the relationship between solute concentration and freezing point depression?

Back

The greater the concentration of solute, the lower the freezing point of the solution.