Practice for Solutions

_____ is the maximum amount of a solute that can be dissolved in a given amount of solvent at a given temperature.

• Solubility
• Volume
• Density
• A solution

The solubility of all the chemicals increases as temperature increases. Is it true of false in the data shown in the graph below?

• True
• False

Tags

NGSS.MS-PS1-4

In the data shown in the graph below, the solubility of WHICH salt does not increase as temperature increases?

• NH₃
• KI
• NaCl
• KNO₃

Tags

NGSS.MS-PS1-4

In the solubility chart below, which of the following describes a correct trend?

• The solubility of all the compounds increases as temperature increases.
• As temperature increases from 30°C to 60°C, the solubility of KNO₃ increases more than that of KCl
• An increase in atmospheric pressure causes an increase in the solubility of KCl.
• D. Increasing the temperature of a KNO₃ solution from 30°C to 60°C decreases the solubility of KNO₃ by half.

Tags

NGSS.MS-PS1-4

125 grams of fructose is dissolved in 375 mL of water. What is the percent mass of this solution?

• 3%
• 33%
• 25%
• 40%

Which is NOT true of an electrolyte?

• It is a solution containing molecules.
• It is a solution containing ions.
• It conducts electricity.
• All acids and bases are electrolytes.

Tags

NGSS.HS-PS2-5

If you put too many scoops of coffee in the coffee maker. What type of coffee solution did you make and how could you fix the mistake without throwing the coffee away?

• You made a dilute coffee solution and can fix it by adding extra sugar to it
• You made a dilute coffee solution and can fix it by adding water to it
• You made a concentrated coffee solution and can fix it by adding extra sugar to it
• You made a concentrated coffee solution and can fix it by adding water to it

If you are making Gatorade by mixing the powder with water, which substance is the solute and why?

• Water; The Gatorade mix is a solid
• Gatorade mix powder; The Gatorade mix is a solid
• Gatorade liquid; The Gatorade mix is a solid
• Suger; The Gatorade mix is a solid

Using the solubility curve, how would you classify a KBr solution with 95 g of solute in 100 g of water at 50°C in terms of saturation?

• saturated
• unsaturated
• supersaturated
• Dilute
• Concentrated

Which is NOT true of the solubility curve below?

• The higher the temperature, the greater the solubility.
• NaCl has the lowest solubility at 90 degrees Celcius.
• All of the substances above represent solid solutes.
• KNO₃ is least affected by a temperature increase.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4