Nature of Solutions

Which of the following is an example of a solution?

• cooked flour

• marshmallow

• sea water

• blood

The two components of a solution are the solute and solvent. Which statement describes the solute?

• It is the solid formed in the solution

• It is the liquid component of the solution.

• It is typically the component of a solution in smaller quantity

• It is typically the component of a solution in larger quantity

Gabriel was tasked by his teacher to investigate on how fast table salt dissolves in cold and hot water. Observing a fair test, what can be his control variables?

• Amount of water and table salt in each cup, method of stirring, time when the solid is added to water, how long each solution is stirred.

• Amount of water and table salt in each cup, method of stirring, how long each solution is stirred.

• Amount of table salt in each cup, method of stirring, time when the solid is added to water, how long each solution is stirred.

• Amount of water in each cup, method of stirring, time when the solid is added to water, how long each solution is stirred.

Which of the following statements BEST describes a homogeneous solutions?

• It is usually liquid

• It contains a solute and solvent.

• It can be dilute or concentrated.

• Its components are distributed evenly in the solution.

In a chemistry class, King prepared a solution by mixing 25 g of sugar in 80 g of water. What are the concentrations of the solute and solvent in percent (%) by mass?

• Solute: 34%, Solvent: 66%

• Solute: 14%, Solvent: 86%

• Solute: 24%, Solvent: 76%

• Solute: 44%, Solvent: 56%

What is the percent by mass in the following solution: 5g of sucrose in 90g of water?

• 4%

• 5%

• 6%

• 7%

All of the following describes a solution EXCEPT ______

• clear

• homogeneous

• cannot pass through filter paper

• can be separated by physical means

In a brine solution, salt is the ______ ( solute, solvent)

In a brine solution, water is the ______ ( solute, solvent)

True or False: The components of a solution can be separated thru physical or chemical means