Solubility and Solutions

You can make a solute dissolve more quickly in a solvent by

• adding more solute.

• adding ice.

• heating the solvent.

• removing some solvent.

Tags

NGSS.HS-PS1-5

A solution that contains all of the solute it can hold at a given temperature is

• diluted.

• saturated.

• supersaturated.

• unsaturated.

Three 10 g samples of sugar are represented below.

Sample A dissolves in water more slowly than sample B.

Sample B dissolves more slowly than sample C.

Which of the following best explains why sample A dissolves more slowly than the other two?

• It has the most volume.

• It has the smallest surface area.

• It has the largest number of sugar molecules.

• It has the fewest bonds between sugar modules.

Tags

NGSS.HS-PS1-3

The solution salt needs ___ grams of solute dissolved in 100ml of water at 60⁰ C to make the solution supersaturated 

• 200 grams 
• 350 grams
• 290 grams
• 300 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What is Solubility? 

• What is dissolved 
• What does the dissolving
• A measure of how much solute can dissolve in solvent 
• a charged ion 

Oil molecules are nonpolar. What kind of solvent is required to remove an oil stain?

• saturated
• unsaturated
• polar
• nonpolar

The "like dissolves like" rule is the reason why water cannot dissolve

• salt
• sugar
• vinegar
• oil

Tags

NGSS.HS-ESS2-5

Based on the solubility curve, how many grams of sugar will dissolve in a 100 mL of water at 20°C?

• 100 g

• 150 g

• 200 g

• 250 g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Sugar dissolved in water is an example of a

• Homogeneous Mixture

• Heterogeneous Mixture

How can you create a supersaturated solutions?

• Dissolve lots of solvent in the solute

• Dissolve a little solute in the solvent

• Dissolve more solute in the solvent than you should be able to

• Dissolve a super amount of solvent in the solute

Tags

NGSS.HS-PS1-5