Solutions and solubility

Which of the following refers to the substance that is being dissolved in a solution?

• solvent

• solute

• mixture

Which of the following is an example of a solvent?

• sugar

• salt

• copper sulphate

• water

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

What conclusion can be made using this solubility curve?

• Decreasing temperatures always increases solubility 
• Increasing temperatures always increases solubility
• Increasing temperatures usually increases solubility
• Temperature has no affect on solubility

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What does this solubility curve show?

• Solubility increases as temperature increases
• Solubility decreases as temperature decreases
• Solubility decreases as concentration increases
• Solubility is not affected by temperature

Tags

NGSS.MS-PS1-4

The substance that does the dissolving

• Solute

• Solvent

• Solution

• Miscibility

Sugar dissolved in water is an example of a

• Homogeneous Mixture

• Heterogeneous Mixture

Which substance is MOST soluble at 90 ºC?

• Solid A

• Solid B

• Solid C

Tags

NGSS.MS-PS1-4

Which of the following will allow for more solute than normal to be dissolved in a solvent?

• freezing the solution

• shaking the solute

• cooling the solution

• heating the solution

Tags

NGSS.MS-PS1-4

Increasing the temperature will increase the kinetic energy of particles, therefore increasing the collisions between particles.

• false

• true

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4