Solutions, Solvents, and Solutes

Which of the following statements accurately describes the role of a solvent in the formation of a solution?

When ethanol and water are mixed, they form a homogeneous solution. This indicates that ethanol and water are:

Which property distinguishes a homogeneous mixture from a heterogeneous mixture?

What term describes a substance that cannot be dissolved in a particular solvent?

Which of the following is a characteristic of a saturated solution at a given temperature?

A solution contains more solute than it can theoretically hold at a given temperature. What type of solution is this?

In an unsaturated solution, what happens when more solute is added?

How does temperature affect the solubility of most solid solutes in water?

A solubility curve shows the relationship between:

According to the solubility curve, a solution containing 70g of $KNO_3$ in 100g of $H_2O$ at 40°C would be best described as:

Which of the following units is typically used to express molar concentration (molarity)?

What does the term 'mass concentration' refer to?

In the context of solutions, what does '% w/w' represent?

A solution is prepared by dissolving 15 g of NaCl in 135 g of water. What is the %w/w concentration of the solution?

What does '%v/v' concentration express in a solution?

50 mL of ethanol is mixed with water to create a 200 mL solution. What is the %v/v concentration of ethanol in the solution?

If a solution is labeled as 5% w/v, what does this indicate?

What is the purpose of performing a dilution?

In the dilution process, what remains constant when solvent is added to a solution?

You dilute 20.0 mL of a 5.00 M stock solution to a final volume of 100.0 mL. What is the molarity of the diluted solution?

To prepare a standard solution, what is the first crucial step to ensure accuracy?

What is the correct order of steps to prepare a solution with a specific mass concentration?

When preparing a solution with a specific mass/volume percent, what should be used to achieve the final desired volume accurately?

Which action should be taken if, after adding the solute and solvent, the solution's volume exceeds the calibration mark on a volumetric flask?

To separate two miscible liquids, which laboratory technique is most suitable?

Which property is most important when separating immiscible liquids using a separatory funnel?

Two liquids are combined in a container, and after mixing, two distinct layers are observed. What can be concluded about these liquids?

What is the primary difference between distillation and evaporation as methods of separation?

What is the term for a homogeneous mixture of two or more substances?

Which technique is based on differences in boiling points to separate liquids?

Which of the following best demonstrates a heterogeneous mixture?

What is the most appropriate method for separating iron filings from sand?

How would you separate solid particles from a liquid to create a clear solution?

What is the process of carefully pouring off a liquid from a solid that has settled?

What occurs when a supersaturated solution is disturbed?

For most gases, how does an increase in temperature impact solubility in a liquid?

What is the effect of increasing pressure on the solubility of gases in liquids?

Why do intravenous solutions used in medicine need to be isotonic with blood?

One method of producing a supersaturated solution is to:

What is the term used to describe a solution that has reached its maximum limit of dissolved solute?

How does the addition of a non-volatile solute affect the boiling point of a solvent?

What term describes the movement of solvent molecules through a semipermeable membrane from a region of lower solute concentration to a region of higher solute concentration?